On-line: гостей 0. Всего: 0 [подробнее..]
АвторСообщение
JOrnitho



Пост N: 69
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.03.22 17:24. Заголовок: Galliformes and other animals for South America


Hello! I'm back with ideas for some new species for South America. I found in my computer an archive with some ideas for fauna and flora that I had some time ago and decided to show there to ask your opinion about them. The first is about a descendant of the domestic chicken.

Скрытый текст


I also have in this archive some names for possible species that I never developed bayond some few facts. Maybe someone could help me make their descriptions.

Спасибо: 0 
Профиль
Ответов - 300 , стр: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 All [только новые]


Биолог
Прильнувший к микроскопу




Пост N: 8843
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.03.22 19:14. Заголовок: JOrnitho Hi and gla..


JOrnitho
Hi and glad to see you again! I am sorry for the accident that I deleted your post. It is due to malfunction of my VPN - now, as Ukraine (my residence) blocks any sites of .RU domain due to the war, I can get access here via VPN only.
Your species are good and I rush to add them to the catalogue!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 70
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.03.22 16:29. Заголовок: Биолог пишет: Hi an..


Биолог пишет:

 цитата:
Hi and glad to see you again! I am sorry for the accident that I deleted your post. It is due to malfunction of my VPN - now, as Ukraine (my residence) blocks any sites of .RU domain due to the war, I can get access here via VPN only.



No problem! I'm happy for returning to the forum. I'm full of new ideas!
Another idea that I had for a Galliforme of South America:

Andean mountain-cock (Montanogallus andinus)
Order: Galliformes
Family: Odontophoridae
Habitat: Slopes of the Central Andes
During the Holocene the man introduced many species. In South America the Californian quail was one of these species. In the Neocene these birds gave rise to two new Genus: Tetraoinus, the austral grouse, and the Montanogallus, the mountain-cock. The Andean mountain-cock is one of the representatives of this Genus.
Living in the slopes of Central Andes, the Andean mountain-cock is a snowcock-like bird, both sexes have 63 cm of length and a light brown tail. The male has a dark brown plumage, a white chest, a golden scaled belly and a black head. They also have a short curving crest, made of six feathers; the crest is nonexistent in females. Females and immature birds are mainly brown with a grey belly and white chest. Legs and beaks are grey in both sexes.
This species lives in higher altitudes. During winter, they descend to lower altitudes and move around in convoy. When approached from below on a hill slope, they move up, stopping every now and then to look at the intruder, but when alarmed they fly away. The flight is swift and will often make a whistling call in flight.
They feed on seeds, bulbs, grass shoots and invertebrates. During the feeding, keep sentries and while resting in the middle of the day, one or more of adult birds stay in high boulders and keep a watch, warning the flocks on the approach of danger with loud prolonged whistles.
Their nest is a scrape, sparsely lined and sheltered under a stone or bush usually on the leeward side of a bare hill, and avoiding ground with vegetation. About 6 to 10 spotted eggs are laid. The male stands sentinel while the female incubate them for 27-28 days. Both parent birds accompany the brood and adults perform distraction displays when the young are threatened, while the chicks crouch or hide between stones. Often, families group together, into multifamily "communal broods" which include at least two females, multiple males and many offspring. Males associated with families are not always the genetic fathers. The younger reach sexual maturity with 2 years. Their lifespan is of 27 years.
In the Andean Altiplano lives the White-headed mountain-cock (Montanogallus leucocephalus). Their biggest difference when compared to the Andean mountain-cock is the white head of the males. They have 58 cm of length.
Another species, the Blue-chested mountain-cock (Montanogallus cyanopectus), lives in the slopes of the Andes in the extreme south of South America. The main characteristic of this species is the grey-blue plumage in the chest of males. They have 60 cm of length.
The females of all species are similar, except that the female blue-chested mountain-cock have a bluish-grey chest .

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8847
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.03.22 20:59. Заголовок: JOrnitho OK, this o..


JOrnitho
OK, this one is good too! Adding to the catalogue!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 73
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.03.22 16:50. Заголовок: I found in my archiv..


I found in my archive the description of a Charadriiforme family that evolved to partially fill the niche of storm petrels, feeding of small pellagic prey in the ocean surface. Do you think that this creature could exist? They would hunt in association with predators that hunt underwater, taking opportunity in the way that they force the prey to surface to have easy access to food. I can post it there, if anyone want to give it a look.

I also have another animal for South America, this time a duck:

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8849
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.03.22 18:13. Заголовок: JOrnitho I can post..


JOrnitho

 цитата:
I can post it there, if anyone want to give it a look.


Sure, why not?

 цитата:
I also have another animal for South America, this time a duck:


Very good, adding that to the catalogue! And once again, thank you for your participation!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 74
Рейтинг: 2
ссылка на сообщение  Отправлено: 29.03.22 01:45. Заголовок: Биолог пишет: Very ..


Биолог пишет:

 цитата:
Very good, adding that to the catalogue! And once again, thank you for your participation!


It's a pleasure for me to be able to help! I really appreciate the project. It was by reading it that I decided to become a biologist.
Here is the description of the family of seabirds and some genera that is part of it:

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8850
Рейтинг: 3
ссылка на сообщение  Отправлено: 29.03.22 13:03. Заголовок: JOrnitho It was by ..


JOrnitho

 цитата:
It was by reading it that I decided to become a biologist.


Wow! Delighted to hear that!

 цитата:
Here is the description of the family of seabirds and some genera that is part of it:


Good! Adding them to the catalogue.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 75
Рейтинг: 2
ссылка на сообщение  Отправлено: 29.03.22 23:54. Заголовок: Another description ..


Another description of an animal for South America, this time a visitor that comes from Antarctic during winter:

Antarctic swamphen (Austroporphyrio vorax)
Order:Gruiformes
Family:Rallidae
Habitat: Lakes and swamps of Anartica, migrating to New Zealand and Southern South America during the winter
In the Neocene, the Tectonic movements changed the position of the continents. Antarctica was now in a more northern position, this way this continent isn’t anymore a frozen land. In this new environment, the Antarctic swamphen appeared. This species is a descendant of the Australasian swamphen (Porphyrio melanotus). Its ancestors come from New Zealand to Antarctica. The Antarctic swamphen lives in the lakes and swamps of this continent, migrating to New Zealand and Southern South America during the winter.
The Antarctic swamphen is a robust bird with 59 cm of length and a wingspan of 92 cm. The upperparts are greyish blue while the throat and underparts are white. The wings are brownish green. The beak and frontal shield are bright red and the feet are pale red. The wings are strong, allowing them to do their migration across the sea.
These birds are ravenous omnivores, feeding on nearly anything that they can catch. They eat plant materials, invertebrates, fishes, carrion, eggs and young of other birds. Antarctic swamphens are frequent visitors at nesting colonies of sea birds, where they will eat eggs and unguarded young. These animals also patrol the coast in search of beached animals and algae. They are aggressive, attacking anything that tries to approach their territory or try to take their food. While eating carrion, these birds will fight for the carcass against birds of prey.
These birds live in familiar groups, during the migration the family fly together and call each other. The courtship display of this bird occurs when the pair is formed for the first time and is repeated each year after they return to Antarctica. This display entails the male standing in a slightly bent forward position, with the neck outstretched, and holding the wings at an almost right angle to the body and bent at the wrist, so that the primaries are angled down. If the female approves, she will do the same display. After that, both birds will strut and make a deep bow as they approach each other. The nest is floating and built within the dense vegetation along shallow margins of lakes and marshes. The female lays 5 to 10 eggs, which both parents incubate for 25 days. During this period, the siblings defend the territory from others Antarctic swamphen. When the eggs hatches, the older siblings will help take care of the young. These birds are already capable to fly with 28 days. During this time, the family will occasionally visit colonies of sea birds and attack chicks that are alone. When the climate starts to turn colder, they move to the coast. When the first snowfall, these birds leave Antarctica to their wintering areas in New Zealand and Southern South America, stopping at islets along the way. This species reaches sexual maturity with 4 years, at this age the young leave the parents to form their own families. The lifespan of the Antarctic swamphen is 24.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8853
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.03.22 12:47. Заголовок: JOrnitho And anothe..


JOrnitho
And another good species! Adding it to the catalogue!
You do not have to use hidden text instrument when you add only one description in the post. It is reasonable when the post takes two or more screens to scroll.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 76
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.03.22 23:16. Заголовок: Биолог пишет: You d..


Биолог пишет:

 цитата:
You do not have to use hidden text instrument when you add only one description in the post. It is reasonable when the post takes two or more screens to scroll



Ok! I'll do that.
I have two more descriptions, both were about Cotingas:
Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8862
Рейтинг: 3
ссылка на сообщение  Отправлено: 31.03.22 12:27. Заголовок: JOrnitho Thanks for..


JOrnitho
Thanks for new species, added them to the catalogue.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 78
Рейтинг: 2
ссылка на сообщение  Отправлено: 31.03.22 19:05. Заголовок: I have some more des..


I have some more descriptions to post. This time it's of a dove and a monkey.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8867
Рейтинг: 3
ссылка на сообщение  Отправлено: 01.04.22 12:04. Заголовок: JOrnitho Good anima..


JOrnitho
Good animals! Also added to the catalogue.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 80
Рейтинг: 2
ссылка на сообщение  Отправлено: 02.04.22 01:41. Заголовок: I some more descript..


I some more descriptions. These are about more two bird species:

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8871
Рейтинг: 3
ссылка на сообщение  Отправлено: 02.04.22 12:50. Заголовок: JOrnitho Wow, thank..


JOrnitho
Wow, thank you! Adding them to the catalogue.

 цитата:
ñakurutûkutu


But, h-m-m, what do these diacritics mean?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 81
Рейтинг: 2
ссылка на сообщение  Отправлено: 02.04.22 17:00. Заголовок: Биолог пишет: But, ..


Биолог пишет:

 цитата:
But, h-m-m, what do these diacritics mean?



I'm sorry! I forgot that these not exist outside of Brazil. The ñ is used to give a nasal sound to the n, similar to nh and how it's sometimes used in Spanish. The û means that it's being stressed a "closed" vowels, opposed to the ú that would be its open counterpart.
I'll edit the description to change the name for Nhakurutukutu, which will be an adaptation of the Tupi-guarani name.

Спасибо: 0 
Профиль
Автор
Из скромности умолчу.




Пост N: 5542
Откуда: Россия, Владимир
Рейтинг: 32
ссылка на сообщение  Отправлено: 02.04.22 17:28. Заголовок: JOrnitho пишет: I f..


JOrnitho пишет:

 цитата:
I forgot that these not exist outside of Brazil.


It is a real problem sometimes to write foreign names in Cyrillic letters. IMHO, using of the native languages is a sign of respect to people living now at the areas described in the project.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 82
Рейтинг: 2
ссылка на сообщение  Отправлено: 02.04.22 17:48. Заголовок: Автор пишет: It is ..


Автор пишет:

 цитата:
It is a real problem sometimes to write foreign names in Cyrillic letters. IMHO, using of the native languages is a sign of respect to people living now at the areas described in the project.


Yes. Next time that I use a word of a native language, I'll try to adapt to a way that can work to Cyrillic but retaining its meaning.
By the way, I have more two descriptions of mammals.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8873
Рейтинг: 3
ссылка на сообщение  Отправлено: 02.04.22 18:45. Заголовок: JOrnitho I'll tr..


JOrnitho

 цитата:
I'll try to adapt to a way that can work to Cyrillic but retaining its meaning


Don't worry so much! Cyrillic version can be readily made by transliteration, and the only one question to be solved is the knowledge of phonetics. Keep in mind that some languages do not use diacritics at all but still have various sounds of the same letter (English is a great example).

 цитата:
By the way, I have more two descriptions of mammals.


Thank you again! Good work!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 85
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.04.22 05:17. Заголовок: I have two more desc..


I have two more descriptions, this time of more two birds. These were taking dust in my archive since 2018.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8875
Рейтинг: 3
ссылка на сообщение  Отправлено: 03.04.22 12:09. Заголовок: JOrnitho Thank you,..


JOrnitho
Thank you, good work again!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 87
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.04.22 22:19. Заголовок: Once again a bring t..


Once again a bring to the project some more descriptions about birds. I also have some about plants that I'll post later. Also, I had a question about the Nomad albatross (Thalassocrator magnificus) of the chapter Lord of the Sky. Would be possible for his genus to have other species?

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8881
Рейтинг: 3
ссылка на сообщение  Отправлено: 04.04.22 11:05. Заголовок: JOrnitho Good ones!..


JOrnitho
Good ones!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 88
Рейтинг: 2
ссылка на сообщение  Отправлено: 04.04.22 22:46. Заголовок: There is some more d..


There is some more descriptions of animals for South America. One of them is about a family of descendants of the shearwaters, the others are mammals.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8889
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.04.22 13:23. Заголовок: JOrnitho Good ones!..


JOrnitho
Good ones! Added to the catalogue.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 90
Рейтинг: 2
ссылка на сообщение  Отправлено: 07.04.22 05:59. Заголовок: I have three new bir..


I have three new bird descriptions. Two of them are about descendants of North American birds that migrated to South America during the Ice Age and ended staying here.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8898
Рейтинг: 3
ссылка на сообщение  Отправлено: 07.04.22 12:37. Заголовок: JOrnitho And again,..


JOrnitho
And again, good species!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 91
Рейтинг: 2
ссылка на сообщение  Отправлено: 08.04.22 06:51. Заголовок: There is the descrip..


There is the description about the descendant of the goat living in the Andes.

Andean antelope (Spirocapris andinus)
Order: Artiodactyla
Family: Bovidae
Habitat: Andean Plateau, doing seasonal migrations
During the Holocene, human interference caused the extinction of many species. Many species were introduced due to different reasons, some due to ornamental while other because of their importance in agriculture and pecuary. The domestic goat (Capra aegagrus hircus), was an important part of the economy. With the disappearance of the humans, these animals remained and continued to evolve. In the Neocene, they give rise to the Andean antelope. This species inhabits the Andean Plateau, doing seasonal migrations
The Andean antelope has its name due to their antilopine appearance. They have slender legs and a relatively long neck, they are capable of standing on their hindlegs and are relatively fast, running 70 km/h in flat ground. This species is sexually dimorphic; the male is taller than the female, with 120 cm at the shoulder, while females have 90 cm. The tail is 45 cm long, with a white tuft at the end. Females and juveniles have chestnut to dark brown fur, while males begin darkening and turn black after reaching maturity. Calves less than two months old are a light tan and show faint markings. The underparts, cheek, and chin of both sexes are white, creating a contrast with the dark back and flanks. Males have long ringed and spiraled horns, which can grow as long as 110 cm, while the females are hornless. The males also have an upright mane on its neck. They are adapted to the climate of the Andean Plateau, with their fur becoming thicker during the winter. It's shedded during the beginning of the spring.
This mammal is generally a mixed feeder between a browser and a grazer, depending on the plant availability in their home range. They feed on foliage of bushes as well as trees, shoots, herbs, flowers, grass, forbs and leafy weeds. It can reach higher branches and twigs by standing erect on its hindlegs and elongating its neck; this helps it reach over for leaves and occasional fruits.
The Andean antelope live in herds of 50 to 100 individuals, the group is led by an older female, a matriarch. Adult males can transit from a herd to another and sometimes can form all male herds, during the mating season they stay a long period in one herd for breeding purposes, doing courtship displays. The male pursues the female with his nose pointing upward, smells her urine and shows a flehmen response. The female shows her receptivity by waving her tail and thumping the hindlegs on the ground. This is followed by several mounting attempts, and copulation. Breeding usually takes place during the middle of the dry season, during this time the males compete for the females; their antagonistic behavior can come in the form of "direct" or "indirect" aggression. With direct aggression, one male bumps another with its horns or places itself in front of its opponent. It stands on its hind legs and comes down on his opponent with its horns. This may signal that it is ready to clash or it may be attempting a real clash, sometimes these fights can inflict serious injuries. Indirect aggression is mostly intimidation displays.
During the beginning of the rainy season, the female will migrate up to 300 km to give birth to one or two offspring in specific calving grounds, usually near lakes or other freshwater reservoirs. The juvenile male is exiled from the herd around one year old, however all of the female calves remain. When the herd gets too large, it divides into smaller groups of females and their young.
The young males, which have been separated from the herd, associate in "bachelor groups" of up to 12 individuals. They stay in these groups until reach sexual maturity at the three years. The females mature at two years old. This species' lifespan is 23 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8904
Рейтинг: 3
ссылка на сообщение  Отправлено: 08.04.22 13:00. Заголовок: JOrnitho Good speci..


JOrnitho
Good species!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 93
Рейтинг: 2
ссылка на сообщение  Отправлено: 09.04.22 17:51. Заголовок: Some other descripti..


Some other descriptions of descendants of North American birds that settled in South America due to the Ice Age

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8909
Рейтинг: 3
ссылка на сообщение  Отправлено: 09.04.22 21:47. Заголовок: JOrnitho Good ones ..


JOrnitho
Good ones again!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 98
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.04.22 04:59. Заголовок: Some days ago I pos..


Some days ago I posted the description of some birds that originated from North American species that settled in South America during the Ice Age. I was thinking if you have suggestions of other species that could also do it.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8917
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.04.22 12:52. Заголовок: JOrnitho I was thin..


JOrnitho

 цитата:
I was thinking if you have suggestions of other species that could also do it.


It could be any bird forced out of its natural habitat by some drastic changes, say, in climate or food access.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 100
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.04.22 23:02. Заголовок: Биолог пишет: It co..


Биолог пишет:

 цитата:
It could be any bird forced out of its natural habitat by some drastic changes, say, in climate or food access.


Yes. At first I thought about only migratory birds, but do you think that some non-migratory like the American crow could be forced South due to the Ice Age too?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8921
Рейтинг: 3
ссылка на сообщение  Отправлено: 13.04.22 13:22. Заголовок: JOrnitho do you thin..


JOrnitho

 цитата:
do you think that some non-migratory like the American crow could be forced South due to the Ice Age


American crow? It might. It is omnivorous and it does migrate south from Canada in winter. So it could migrate even more south to Mexico or further.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 103
Рейтинг: 2
ссылка на сообщение  Отправлено: 13.04.22 16:20. Заголовок: Биолог пишет: So it..


Биолог пишет:

 цитата:
So it could migrate even more south to Mexico or further.


Maybe it could have reached Mexico and spread into South America before the Panama strait was totally broken.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8922
Рейтинг: 3
ссылка на сообщение  Отправлено: 13.04.22 20:22. Заголовок: JOrnitho Yes, why n..


JOrnitho
Yes, why not.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 106
Рейтинг: 2
ссылка на сообщение  Отправлено: 14.04.22 05:17. Заголовок: After what we discus..


After what we discussed, I made a description for the descendant of the American crow in South America and a related species in Mexico.

Guyrauna (Corvus notus)
Order: Passeriformes
Family: Corvidae
Habitat: Tropical and temperate South America, living from the Amazon rainforest to the Araucaria forests.
The end of the Holocene was marked by several climatic changes, one of them was an Ice Age. During this period, some species moved to regions with a warm climate, among them was the American crow (Corvus brachyrhynchos). Due to the cooler temperatures of North America, individuals of this species moved down, crossed the Panama Isthmus before it was broken and reached South America. There, they continued to evolve and in the Neocene they gave rise to a new species, the guyrahun. Its common name is formed by two Tupi-guarani words: Guyra (bird) and una (black). This species is widespread across tropical and temperate South America, living from the Amazon rainforest to the Araucaria forests.
Guyraunas are large birds, with 53 cm of length and a wingspan of 102 cm. Like their ancestors, these birds have their bodies covered by black iridescent feathers. However, they developed white patches in their wings. Both their beak and feet is black.
These birds are omnivorous, with their diet changing according to the region where they live. They will feed on invertebrates of all types, fruits, carrion, Araucaria pine nuts, seeds, eggs, nestlings and stranded fish on the shore. Guyraunas are active hunters and will prey on rodents, lizards, frogs, and other small animals. They are among the first birds to arrive in a carcass, feeding fast to avoid larger scavengers, such as vultures and birds of prey. Being clever birds like their ancestors, these animals are capable of modifying and using tools to obtain food.
Guyraunas are socially monogamous birds, breeding in a cooperative way. The mated pairs form large families of up to 15 individuals from several breeding seasons. The offspring from a previous nesting season will usually remain with the family to assist in rearing new nestlings. These birds do not reach breeding age for at least three years, which is the time when they leave the family. They build bulky stick nests, nearly always in trees but sometimes also in large bushes and, very rarely, on the ground. Three to six eggs are laid and incubated for 18 days. The young are usually fledged by about 36 days after hatching. Their lifespan is 23 years, but many of them are killed by predators before reaching this age.
Their closest relative is the Mexican crow (Corvus mexicanus), another descendant of the American crow. Living from the Mexican Plateau to the tropical forests near the Panama Strait, this species has the same plumage of their relatives in South America, but is smaller with 47 cm of length and a wingspan of 95 cm

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8925
Рейтинг: 3
ссылка на сообщение  Отправлено: 14.04.22 10:59. Заголовок: JOrnitho Good one!..


JOrnitho
Good one!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 109
Рейтинг: 2
ссылка на сообщение  Отправлено: 14.04.22 19:01. Заголовок: I found in my archiv..


I found in my archives the description of a genus of small opossum.

Common sugar opossum (Nectarivora nectarivora)
Order: Didelphimorphia
Family: Didelphidae
Habitat: Forests of the Atlantic coast of South America.
With the end of the Holocene, new genera appeared. The genus Nectarivora is one of them, members of this group are the sugar opossums, small marsupials that feed mostly on nectar. The type species of this genus is the common sugar opossum which lives in the forests of the Atlantic coast of South America.
These animals have a body length of 9 cm with an 11 cm long prehensile tail. They have large round ears. The fur is beige on its upperparts and pale grey bellow. The eyes are large, showing their preference for nocturnal habits.
Sugar opossums feed mostly on nectar and pollen, using its tongue to have access to it in the flowers. When flowers are not available, these animals will eat soft fruits and mostly insects.
These marsupials are solitary and spend the day in nests built on tree holes. This species breeds year around when the climate is suitable, being able to raise up to six litters of six to eleven young each during a good year. Gestation lasts 14 days, after which the young attach to a teat, where they remain for the next two week. The female can have a litter with 2 to 8 young. They grow hair at around 3 weeks, open their eyes about a week later, and are weaned at 8 weeks. This species reach sexual maturity with 6 months and have a lifespan of 5 years.
Other species in the genus Nectarivora:
Grey sugar opossum (Nectarivora grisea)
Living the Amazon rainforest, this animal has a body length of 10 cm and a tail of 11 cm. Its fur is grey with a white underbelly. The ears are large and round.
Masked sugar opossum (Nectarivora andina)
Living in the forests at the foothill of the Andes, this animal has a body length of 8 cm and a tail of 11 cm. Its fur is grayish brown with a pale brown underbelly. Their main characteristic is a dark patch across their eyes, similar to a mask.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8929
Рейтинг: 3
ссылка на сообщение  Отправлено: 15.04.22 10:52. Заголовок: JOrnitho Good one!..


JOrnitho
Good one!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 111
Рейтинг: 2
ссылка на сообщение  Отправлено: 15.04.22 18:10. Заголовок: I was reading the Be..


I was reading the Bestiary and noticed that there are two species of vulture in South America, Acatou and the Twilight vulture. I was thinking there could be some other species of scavengers. With the Neocene megafauna of the continent being diverse, I believe that the number of birds that feed on carcasses would increase. There could be some descendants of the black vulture and of the yellow-headed vulture.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8930
Рейтинг: 3
ссылка на сообщение  Отправлено: 15.04.22 19:51. Заголовок: JOrnitho Scavengers..


JOrnitho
Scavengers can be present, but small ones, to aviod competetion from the two you mentioned.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 113
Рейтинг: 2
ссылка на сообщение  Отправлено: 15.04.22 21:57. Заголовок: Биолог пишет: Scave..


Биолог пишет:

 цитата:
Scavengers can be present, but small ones, to aviod competetion from the two you mentioned.


Yes, I was thinking that they would be the size of common vultures of South America. With 54-77 cm, or even smaller. Another idea that I had is for a small caracara acting as a scavenger in dense forests. His size would allow it to move through the dense vegetation to land near carcasses.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8931
Рейтинг: 3
ссылка на сообщение  Отправлено: 16.04.22 12:51. Заголовок: JOrnitho a small ca..


JOrnitho

 цитата:
a small caracara acting as a scavenger in dense forests


Possible! And it can become a non-flying wingless (or with reduced wings) runner! Or it can be large and resemble African secretary bird.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 115
Рейтинг: 2
ссылка на сообщение  Отправлено: 17.04.22 03:35. Заголовок: Биолог пишет: Possi..


Биолог пишет:

 цитата:
Possible! And it can become a non-flying wingless (or with reduced wings) runner! Or it can large and resemble African secretary bird.


Well, I don’t know if it would be possible because South America already had the seriemas that would more easily fill this niche.
However, since these birds live in grasslands and savannas, maybe some caraca could evolve this way, but would live in dense forests, hunting small animals in the ground. What do you think?

Спасибо: 0 
Профиль
Автор
Из скромности умолчу.




Пост N: 5549
Откуда: Россия, Владимир
Рейтинг: 32
ссылка на сообщение  Отправлено: 17.04.22 08:30. Заголовок: JOrnitho пишет: Wha..


JOrnitho пишет:

 цитата:
What do you think?


I think hunting herons already exist in grasslands, and the niche is occupied.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 117
Рейтинг: 2
ссылка на сообщение  Отправлено: 17.04.22 12:10. Заголовок: Автор пишет: and th..


Автор пишет:

 цитата:
and the niche is occupied.


Does the hunting herons live in the Amazon forest, too? I was thinking that this caracara could be a small or medium sized bird living in Amazon and Atlantic forests. They could be long legged and patrol the forest ground after small prey, while occasionally catching some in the trees.
Maybe they could even use the long legs to extract food from holes, like how the crane hawk (Geranospiza caerulescens) do in the Holocene.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8934
Рейтинг: 3
ссылка на сообщение  Отправлено: 17.04.22 12:36. Заголовок: JOrnitho seriemas ..


JOrnitho

 цитата:
seriemas


Oh, I forgot about them! Right you are!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 122
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.04.22 20:03. Заголовок: I finally finished t..


I finally finished the description of the scavenger birds, two vultures and one caracara.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8939
Рейтинг: 3
ссылка на сообщение  Отправлено: 21.04.22 10:35. Заголовок: JOrnitho Good ones!..


JOrnitho
Good ones!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 125
Рейтинг: 2
ссылка на сообщение  Отправлено: 22.04.22 04:32. Заголовок: Would be possible fo..


Would be possible for at least one large species of caiman to survive as a large aquatic species in South America? The broad-snouted caiman (Caiman latirostris) is resilient to human presence, being very common in lagoons of the urban areas of Barra da Tijuca and Recreio dos Bandeirantes, in Rio de Janeiro. They can also be found mangroves and estuaries. Maybe their descendants could evolve to be more marine.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8942
Рейтинг: 3
ссылка на сообщение  Отправлено: 22.04.22 21:19. Заголовок: JOrnitho I think ye..


JOrnitho
I think yes, caimans have a good chance to survive.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 127
Рейтинг: 2
ссылка на сообщение  Отправлено: 23.04.22 17:20. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think yes, caimans have a good chance to survive.


Nice! I made a description for this descendant.

Giant caiman (Gigantosuchus atrox)
Order: Crocodilia
Family: Alligatoridae
Habitat: Coastal brackish mangrove swamps, river deltas and other coastal areas of tropical South America, reaching 200 km inside the Amazon River.
Several species of Crocodiliformes perished during the Holocene and those that survived were smaller species or those that became adapted to anthropogenic interference. In South America, one of the surviving caimans was the species broad-snouted caiman (Caiman latirostris). Differently from the other surviving genus of caiman, the Paleosuchus, which most of the descendants in the Neocene are land-dwelling animals, the descendants of the broad-snouted caiman evolved further into an aquatic predator and without competition of other caimans, this animal grew to large sizes. This new species is the giant caiman, a large species that lives in coastal brackish mangrove swamps, river deltas and other coastal areas of tropical South America, even reaching 200 km inside the Amazon River.
The giant caiman is a large Crocodiliforme, with females reaching 4 m of length while males can reach 6 m. They have a light olive-green color on the upper parts, while the ventral surface is yellow. They also have distinctive three spots on each side of their mandibles. They inherited the broad snout from their ancestors. This species developed salt glands that enable them to survive in saltwater.
Their diet varies according to their size and age. Hatchlings are restricted to feeding on smaller animals, such as small fish, frogs, insects and small aquatic invertebrates. In addition to these prey, juveniles also take a variety of freshwater and saltwater fish, various amphibians, crustaceans, molluscs, such as large gastropods and cephalopods, birds, small to medium-sized mammals, and other reptiles, such as snakes and lizards. When giant caimans obtain a length of more than 1.2 m, the significance of small invertebrate prey fades in favour of small vertebrates, including fish and smaller mammals and birds. The larger the animal grows, the greater the variety of its diet. An adult can even eat small to medium sized sharks.
These animals are more territorial than their ancestors, with adult males sharing territory with females, but will drive off rival males. Breeding usually occurs during the middle of the rainy season. Nests are constructed by the females, built in a mound shape using mud and rotting vegetation. The female lays 18 to 50 eggs at a time. They lay their eggs in two layers, with a slight temperature difference between the two layers. This will result in a more even ratio of males and females. The female guards the nest and hatchlings from predators. They take care of their young for 15 months. Sexual maturity is reached with 10 years. Giant caimans that survive to adulthood can attain a very long lifespan, with a lifespan of 70 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8947
Рейтинг: 3
ссылка на сообщение  Отправлено: 23.04.22 21:07. Заголовок: JOrnitho Good! Than..


JOrnitho
Good! Thank you!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 129
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.04.22 14:02. Заголовок: I made the descripti..


I made the description for another species of bird in South America. This is a owl.


Suindarassu, or Great Suindara (Tuidara magna)
Order: Strigiformes
Family: Tytonidae
Habitat: South America, from tropical rainforests to wooded savannas
During the Holocene, human interference in nature caused the extinction of many species. Only those that were resilient enough were able to survive and left descendants. One of these survivors was the American barn owl (Tyto furcata). Being common and capable of surviving to the anthropogenic impacts, this species continued their evolution and gave origin to a new genus in the Neocene, the Tuidara (a local name used for the barn owl in Brazil). The type species of this genus is the great Suindara. This species is endemic to South America and inhabits tropical rainforests, being found mostly in areas where dense, old-growth forest is profuse. However, it may enter secondary habitats, such as forest edges, especially while hunting. Occasionally, they can also be found in dry forests, wooded savanna plains and semi-open areas with trees.

The great suindara is a large bird, with 60 cm of length and a wingspan of 137 cm. The females are larger and heavier than the males. The large dark eyes are set in a round large facial disk, which is dark gray-silver and has a heavy black edge. The upperparts are dark greyish-brown, with white part of spots prominent. The underparts are whitish to light buff with little speckling.

This species is a powerful species of owl, able to attack and kill large prey far beyond the capacities of its ancestors. It preys principally on a wide array of mammals, but it'll also eat invertebrates and birds. Being nocturnal, these animals hunt during the night. They eat smaller owls, caprimulgids, bats, cubs of small deermaras and artiodactyls. Hunting mainly consists of the owl watching from a perch for prey activity and then swooping down swiftly once prey is spotted. The prey is often killed quickly by the Great Suindara's powerful grip and talons though is sometimes bitten on the head to be killed as well. Then the prey item is swallowed whole or torn into pieces with the bill. Exceptionally large prey is consumed on the ground where it is killed, possibly being torn apart into manageable pieces. 

The Great Suindara are usually monogamous, sticking to one partner for life unless one of the pair dies. During the non-breeding season they may roost separately, but as the breeding season approaches they return to their established nesting site, showing considerable site fidelity. The nesting season happens during the dry period. Once a pair-bond has been formed, the male will make short flights at dusk around the nesting and roosting sites and then longer circuits to establish a home range. When he is later joined by the female, there is much chasing, turning and twisting in flight, and frequent screeches, the male's being high-pitched and tremulous and the female's lower and harsher. At later stages of courtship, the male emerges at dusk, climbs high into the sky and then swoops back to the vicinity of the female at speed. He then sets off to forage. The female meanwhile sits in an eminent position and preens, returning to the nest after some minutes before the male arrives with food for her. Such feeding behaviour of the female by the male is common, helps build the pair-bond and increases the female's fitness before egg-laying commences.

These birds are cavity nesters. They choose holes in trees and fissures in cliff faces. No nesting material is used as such but, as the female sits incubating the eggs, she draws in the dry furry material of which her regurgitated pellets are composed, so that by the time the chicks are hatched, they are surrounded by a carpet of shredded pellets. Before commencing laying, the female spends most of the time near the nest and all her food is entirely provisioned by the male. When the female has reached peak weight, the male provides a ritual presentation of food and copulation occurs at the nest. The female lays eggs on alternate days and the clutch size averages about five eggs, but can reach nine. The eggs are chalky white and incubation begins as soon as the first egg is laid. The incubation period is about 30 days, hatching takes place over a prolonged period and the youngest chick may be several weeks younger than its oldest sibling.  Not all chicks survive, with the weakest being devoured by their siblings. They fully fledge with ten weeks,  but remain dependent of the parents until they have 15 weeks. These birds reach sexual maturity with 2 years and their lifespan is of 27 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8950
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.04.22 20:12. Заголовок: JOrnitho Good! But ..


JOrnitho
Good! But again, how is this pronounced?

 цитата:
ç


Cedilla diacritic has various meanings in different languages.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 130
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.04.22 20:31. Заголовок: Биолог пишет: Cedil..


Биолог пишет:

 цитата:
Cedilla diacritic has various meanings in different languages.


Once again I got carried away with local names hahahaha.
In this case, it have the sound of "s". However, it can be replaced by c, being Suindaracu.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8951
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.04.22 11:02. Заголовок: JOrnitho sound of &..


JOrnitho

 цитата:
sound of "s"


Like in French, which I used to study at school. Thanks for explanation.

 цитата:
replaced by c, being Suindaracu


In this case, we read it using English phonetics (as of international language), so it would be better to use letter S instead to prevent reading as "k".

Спасибо: 0 
Профиль
JOrnitho



Пост N: 139
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.04.22 17:53. Заголовок: I was thinking, woul..


I was thinking, would Neocene South America have new coastal lagoons and Restingas (https://en.m.wikipedia.org/wiki/Restinga)? In the Holocene, these regions were common in Brazil. I have some ideas for ecological relationships in these environments.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8962
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.04.22 18:46. Заголовок: JOrnitho Yes, why n..


JOrnitho
Yes, why not? Here are the maps of neocene made by Alexander Smyslov:
physical map
climates
Only Russian version, sorry.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4100
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 30.04.22 19:18. Заголовок: English versions are..

Спасибо: 1 
Профиль
JOrnitho



Пост N: 140
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.04.22 20:53. Заголовок: wovoka пишет: http..


wovoka пишет:

 цитата:

https://www.deviantart.com/alexsone/art/Neocene-natural-areas-map-426140482


This map is very useful. Thanks for the link. These lagoons and restingas are a distinct type of coastal tropical and subtropical moist broadleaf forest. Since this vegetation still exists in the Neocene, is very possible that these areas will exist too. In Brazil, these coastal areas are full of endemic species.
Also, are the pelicans extinct?

Спасибо: 0 
Профиль
Автор
Из скромности умолчу.




Пост N: 5556
Откуда: Россия, Владимир
Рейтинг: 32
ссылка на сообщение  Отправлено: 30.04.22 21:40. Заголовок: JOrnitho пишет: Als..


JOrnitho пишет:

 цитата:
Also, are the pelicans extinct?


No, cormorants and gannets instead of them.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 141
Рейтинг: 2
ссылка на сообщение  Отправлено: 01.05.22 00:04. Заголовок: Автор пишет: No, co..


Автор пишет:

 цитата:
No, cormorants and gannets instead of them.

Ok! I was thinking if it would be possible for one of these two groups give rise to a descendant that at least partially fill the pelican's niche by developing a throat pouch. They could be a sister group to Sulidae or Phalacrocoracidae.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8965
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.04.22 21:48. Заголовок: JOrnitho Oh, I didn..


JOrnitho
Oh, I didn't know about the English versions (wovoka, thanks!), though I see they are far too small for effective use. You can compare them to large Russian versions.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4101
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 01.05.22 10:54. Заголовок: Биолог пишет: I see..


Биолог пишет:

 цитата:
I see they are far too small for effective use


You need to register on deviantart to download the large version of the map.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8966
Рейтинг: 3
ссылка на сообщение  Отправлено: 01.05.22 13:20. Заголовок: wovoka Thanks, gues..


wovoka
Thanks, guess JOrnitho will read this post of yours.
By the way, the line "Conventional signs" is an awkward English for just "Map legend".

Спасибо: 0 
Профиль
JOrnitho



Пост N: 158
Рейтинг: 2
ссылка на сообщение  Отправлено: 06.05.22 14:33. Заголовок: After watching a doc..


After watching a documentary, I gad an idea for two species of flamingo living in South America. One breeding in Patagonia and wintering in the coastal brackish lagoons of Eastern South America, while the other is a resident in the brackish habitats of the Northern part of the continent. I'll start to work on it after I finish the hyraxes.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8989
Рейтинг: 3
ссылка на сообщение  Отправлено: 06.05.22 18:39. Заголовок: JOrnitho OK, flamin..


JOrnitho
OK, flamingos are also interesting. Their peculiar beaks and the ability to feed their young using their own blood could evolve further into something interesting. And, if their diet changes, the color of their feather will also change!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 160
Рейтинг: 2
ссылка на сообщение  Отправлено: 07.05.22 05:39. Заголовок: Биолог пишет: Their..


Биолог пишет:

 цитата:
Their peculiar beaks and the ability to feed their young using their own blood could evolve further into something interesting.


This makes me think how the flamingos could change. I knew that in the Neocene there is a flightless species, but how the South American ones could evolve? Perhaps a change in the diet or in the way that they feed?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 8995
Рейтинг: 3
ссылка на сообщение  Отправлено: 07.05.22 13:35. Заголовок: JOrnitho I think th..


JOrnitho
I think they could change the diet, which involves changes in the structure of beak and color of feathers.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 166
Рейтинг: 2
ссылка на сообщение  Отправлено: 08.05.22 16:05. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think they could change the diet, which involves changes in the structure of beak and color of feathers.


Maybe they evolved to feed more on the organisms living in the substrate of brackish lagoons, perhaps even more algae than animals. Their beaks could change forms, having an "upside down" appearance or like that of a pteurodaustro.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9003
Рейтинг: 3
ссылка на сообщение  Отправлено: 08.05.22 18:50. Заголовок: JOrnitho "upsid..


JOrnitho

 цитата:
"upside down" appearance or like that of a pteurodaustro


No, I meant a spatula-like beak, resembling that of spoonbills, but short. May be additionally somewhat curved downwards, and may be with a filtering apparatus inside.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 167
Рейтинг: 2
ссылка на сообщение  Отправлено: 08.05.22 20:26. Заголовок: Биолог пишет: May b..


Биолог пишет:

 цитата:
May be additionally somewhat curved downwards, and may be with a filtering apparatus inside


Yes, this possibility is interesting. If they feed more in animals of the substrate, would they remain red/pink?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9009
Рейтинг: 3
ссылка на сообщение  Отправлено: 09.05.22 08:34. Заголовок: JOrnitho would they..


JOrnitho

 цитата:
would they remain red/pink?


No, they are pink to red due to their diet.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 170
Рейтинг: 2
ссылка на сообщение  Отправлено: 09.05.22 15:56. Заголовок: Биолог пишет: they ..


Биолог пишет:

 цитата:
they are pink to red due to their diet.


Since they are going to feed on the substrate, maybe they are more white to pale pink.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9014
Рейтинг: 3
ссылка на сообщение  Отправлено: 09.05.22 20:25. Заголовок: JOrnitho Yes, possi..


JOrnitho
Yes, possibly. Even can be totally white with yellow or yellow-red beak and legs.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 183
Рейтинг: 2
ссылка на сообщение  Отправлено: 13.05.22 05:52. Заголовок: I finished the descr..


I finished the description of the flamingo.

White flamingo (Albopterus curveramphus)
Order: Phoenicopteriformes
Family: Phoenicopteridae
Habitat: Brackish coastal lagoons of the tropical and subtropical coast of South America
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. One of these new species is the white flamingo, a descendant of the American flamingo (Phoenicopterus ruber). This species inhabits the brackish coastal lagoons of the tropical and subtropical coast of South America. While not migratory, these birds will migrate short distances to ensure that they get enough food or because their current habitat has been disturbed in some way, usually due to levated water levels.
The white flamingo is a large wading bird, with 147 cm of height. However, some males can reach 155 cm. They have a wingspan of 140 cm. Unlike its ancestors, this bird is completely white with only its tail and rump being in a very pale shade of pink in the adults. The primary and secondary flight feathers are black. The legs and webbed feet are bright yellow. Another distinctive characteristic of the whole genus Albopterus is their curved downwards beak, which is bright yellow with a restricted black tip. The call is a goose-like honking.
To eat, this species moves its bill through the soft mud located in the bottom of the brackish lagoons and filters it. This way, it collects crustaceans, molluscs, algae, microscopic organisms and insect larvae. While it had the capability of extracting the carotenoid pigments in the organisms that live in their feeding grounds, these colors don’t are widespread on their body like in their ancestors. These colors remain in areas close to the uropygial gland, which also produce a secretion that also contains carotenoids. During the breeding season, the number of carotenoid in their uropygial secretions increase and the white flamingos spread it over their feathers, giving the white feather a pinkish shade.
The breeding season starts at the beginning of the dry season, when the water level of the coastal lagoons is low enough for them to make their cone-shaped nest made from mud and sticks. The white flamingo usually forms monogamous pairs when selecting a nest site, and incubating and raising young. However, trios can occur occasionally, in these cases they are formed by a male, an older female and a young one. While males usually initiate courtship, females control the process. If interest is mutual, a female walks by the male, and if the male is receptive, he walks with her. Both parties make synchronized movements until one member aborts this process. The courtship starts with males and females walking in unison with their heads raised. After some minutes doing it, they will walk at a quick pace with their heads dropped in a false feeding posture. The courtship stops at any point if either bird turns and the other does not follow, the heads are raised, unison movements are stopped, or the pace of movement is slowed. If the female is ultimately receptive to copulation, she stops walking and presents for the male. Long-term pairs do not frequently engage in courtship behaviors or in-group display. Pairs often stand, sleep, and eat in close proximity.
In most pairs, both individuals usually construct and defend the nest site. In rare cases, one individual undertakes both duties. Within trios, both females will build separated nests, usually one close to the other. The male will help each female with the construction of the nests and incubating the eggs.
The female lays one egg that is incubated by her and the male for 34 days. When newly hatched, the chick's bill is straight and black, but later develops a downward curve and the adult colors of beak. The feathers are white and grey and the legs are pale yellow. The parents are able to distinguish their chick from others in the colony by appearance and vocalization. Both the male and the female feed their chicks with a kind of crop milk, produced in glands lining the whole of the upper digestive tract. For the first 6 days after the chicks hatch, the adults and chicks stay in the nesting sites. At around 11 days old, the chicks begin to move out of their nests and explore their surroundings. When they are two weeks old, the chicks congregate in groups, called "microcrèches", and their parents leave them alone. After a while, the microcrèches merge into "crèches" containing thousands of chicks. Chicks that do not stay in their crèches are vulnerable to predators. After 2 months, the chicks are already fledged. The white flamingo reaches sexual maturity with 5 years and they have a lifespan of 37 years.
Another representative of the Genus Albopterus is the Lesser white flamingo (Albopterus minor) this species inhabits brackish coastal lagoons of Great Antigua, Mexico and Florida Peninsula. They have 118 cm of height and 126 cm of wingspan. Their plumage is very similar to that of their Southern relatives, but the pink areas of the rump and tail are brighter. Their beaks are also totally black.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9036
Рейтинг: 3
ссылка на сообщение  Отправлено: 13.05.22 08:00. Заголовок: JOrnitho Good flami..


JOrnitho
Good flamingo!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 197
Рейтинг: 2
ссылка на сообщение  Отправлено: 18.05.22 16:21. Заголовок: Recently, a fisher w..


Recently, a fisher was hurt by an lionfish here in Northeastern Brazil. This brought to the news how this invasive species is increasing its ranger from Florida to Brazilian waters.
I was thinking if would be possible for it to survive in the Neocene in the Atlantic. In this case, another fish could have evolved to eat it, perhaps a Serranidae that became imune to its poison.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9051
Рейтинг: 3
ссылка на сообщение  Отправлено: 18.05.22 19:24. Заголовок: JOrnitho Good idea!..


JOrnitho
Good idea! But I'm not so good in fish...

Спасибо: 0 
Профиль
JOrnitho



Пост N: 198
Рейтинг: 2
ссылка на сообщение  Отправлено: 19.05.22 03:16. Заголовок: Биолог пишет: But I..


Биолог пишет:

 цитата:
But I'm not so good in fish...


Same, but I'll see what I can do. There is anyone in the project that have a better knowledge about fishes?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9056
Рейтинг: 3
ссылка на сообщение  Отправлено: 19.05.22 12:15. Заголовок: JOrnitho There is a..


JOrnitho

 цитата:
There is anyone in the project that have a better knowledge about fishes?


The Author. You may ask him personally via e-mail, just as you sent him your good illustration.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 228
Рейтинг: 2
ссылка на сообщение  Отправлено: 04.06.22 18:17. Заголовок: I was thinking if it..


I was thinking if it would be plausible for the introduced American minke and beaver to survive in the Tierra del Fuego. They could have descendants living on these areas during the Neocene.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4164
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 04.06.22 19:01. Заголовок: JOrnitho пишет: bea..


JOrnitho пишет:

 цитата:
beaver



JOrnitho, according to the canon, beavers died out everywhere by the Neocene.

JOrnitho пишет:

 цитата:
minke



According to the canon only two species of cetaceans survived to the Neocene:
Baikal hard-beaked dolphin and chinese dwarf species of porpoise, the descendant of the finless porpoise.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9152
Рейтинг: 3
ссылка на сообщение  Отправлено: 04.06.22 19:19. Заголовок: wovoka Thanks for y..


wovoka
Thanks for your reply! Unfortunately, yes, beavers and cetaceans are replaced by other taxa in Neocene. But...

 цитата:
chinese dwarf species of porpoise


Where is this? I failed to find it.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4165
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 04.06.22 20:46. Заголовок: Биолог пишет: Where..


Биолог пишет:

 цитата:
Where is this? I failed to find it.


http://sivatherium.borda.ru/?1-0-1592389649390-00000052-000-10001-0#114

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9155
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.06.22 13:34. Заголовок: wovoka Figures! It ..


wovoka
Thought so! It is not in Neocene, because not yet accepted by the Author.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 229
Рейтинг: 2
ссылка на сообщение  Отправлено: 04.06.22 20:51. Заголовок: wovoka пишет: Accor..


wovoka пишет:

 цитата:
According to the canon only two species of cetaceans survived to the Neocene:


Sorry, I commited another typing error. I mean the American mink, the small mustelid. It was introduced in South America for production of fur but escaped/was released and now can be found in Argentina.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4166
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 04.06.22 21:33. Заголовок: JOrnitho пишет: I m..


JOrnitho пишет:

 цитата:
I mean the American mink, the small mustelid


Yes, the American mink can leave interesting descendants in Argentina by the Neocene.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 230
Рейтинг: 2
ссылка на сообщение  Отправлено: 04.06.22 22:54. Заголовок: wovoka пишет: the A..


wovoka пишет:

 цитата:
the American mink can leave interesting descendants in Argentina by the Neocene.


Yes! I already have some ideas for them. While some species would be more conservative and remained in land, the other could be marine with the appearance of a primitive seal.
These marine seal-like minks would hunt schools of fish and krill in the open sea, this way not competing with the already existing Ayapuh. According to the description in the Bestiary, this rodent hunts by feeling the sea bottom and overturning stones, very different of how the mink descendant would search for food. They could also occasionally hunt the Ayapuh and penguingulls, like how the sea lions hunted penguins in the Holocene.
Their distribution would be from Tierra del Fuego to Northern Chile in the Pacific, and to Southern Brazil in the Atlantic.
Does this idea seems plausible?

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4167
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 04.06.22 23:13. Заголовок: JOrnitho пишет: Doe..


JOrnitho пишет:

 цитата:
Does this idea seems plausible?


I think it's interesting idea!

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9156
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.06.22 13:46. Заголовок: JOrnitho marine sea..


JOrnitho

 цитата:
marine seal-like minks


Great! Good thing it will not copy the holocenic sea otter. We have algoceti (as descendants of nutria/coypu) already present in Neocene, but these are large herbivores, and a large marine predator would excellently fit there! Moreover, it can take the niche of toothed whales like, say, orcas!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 231
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.06.22 16:01. Заголовок: Биолог пишет: Moreo..


Биолог пишет:

 цитата:
Moreover, it can take the niche of toothed whales like, say, orcas!


I think that they can partially fill this niche. They would be more like a Steller sea lion and a leopard seal than an orca.
Is there any large shark in the Southern Hemisphere that could hunt them? Including prey upon the algocetus.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4168
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 05.06.22 16:43. Заголовок: Биолог пишет: it ca..


Биолог пишет:

 цитата:
it can take the niche of toothed whales like, say, orcas!


Биолог, I don’t remember exactly, but according to the canon there is some kind of size limit for marine mammals, the largest are algocetes, so some other creature, but not a mammal or a bird, will occupy the orcas niche.

JOrnitho пишет:

 цитата:
leopard seal


I think this is possible.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9158
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.06.22 17:17. Заголовок: wovoka according to ..


wovoka

 цитата:
according to the canon there is some kind of size limit for marine mammals, the largest are algocetes, so some other creature, but not a mammal or a bird, will occupy the orcas niche


Oh... As Artemiy Lebedev once said, the restrictions/limits stimulate and motivate a designer, not bring him down

Спасибо: 0 
Профиль
JOrnitho



Пост N: 232
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.06.22 17:19. Заголовок: wovoka пишет: will ..


wovoka пишет:

 цитата:
will occupy the orcas niche.


Maybe it could be a large shark, like the Megalodon. Without whales, I see the fishes retaking some niches that they used to have before the marine mammals evolved. For example, there could also be a large filter-feeder Actinopterygii. Like the extinct Leedsichthys.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9161
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.06.22 17:31. Заголовок: JOrnitho large filt..


JOrnitho

 цитата:
large filter-feeder Actinopterygii


There is the Sailerfish (chapter "Wanderers of the Ocean") in Southern Pacific.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9157
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.06.22 17:15. Заголовок: JOrnitho They would ..


JOrnitho

 цитата:
They would be more like a Steller sea lion and a leopard seal than an orca.


Yes! Quite possible.

 цитата:
Is there any large shark in the Southern Hemisphere that could hunt them?


Yes, sea onza (in Bestiary, only Russian so far) in tropical regions of Pacific and Atlantic. This seemingly means it inhabits both hemispheres.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 233
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.06.22 17:21. Заголовок: Биолог пишет: sea o..


Биолог пишет:

 цитата:
sea onza (in Bestiary, only Russian so far) in tropical regions of Pacific and Atlantic. This seemingly means it inhabits both hemispheres.


Thanks! I'll mention it in the description.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 234
Рейтинг: 2
ссылка на сообщение  Отправлено: 06.06.22 04:29. Заголовок: I finished the descr..


I finished the description of the semi-aquatic descendant of the American mink. What do you think?

Millalobo (Paraotaria odontoacuta)
Order: Carnivora
Family: Mustelidae
Habitat: Southern South America, from Tierra del Fuego to Northern Chile in the Pacific coast, to Southern Brazil in the Atlantic coast
During the Holocene, humans had caused several impacts on the environment. Among their actions was the introduction of exotic species. The American mink (Neogale vison) was one of the species that were introduced from their ancestral land in North America to several other continents, among them was South America. These animals were used in the fur industry, but a great number of individuals fled or were released. They were not only capable of surviving the transition of the Holocene to the Neocene, but also to evolve into new species, taking advantage of the demise of other animals to fill their niches.
The millalobo is a descendant of the American mink that were introduced to South America. They share their name with a important creature of the Chilote mythology, a ruler of the sea. This species is a semi-aquatic predator that has filled the niche left by the sea lions and fur seals. It inhabits Southern South America, from Tierra del Fuego to Northern Chile in the Pacific coast, to Southern Brazil in the Atlantic coast.
These mammals are sexually dysmorphic. The male is larger and more robust than the female. He has an average size of 185 cm, with some reaching nearly 200 cm. The female barely surpasses 160 cm. The male also has long upper canines, which can protrude from the upper lips in older individuals. Their body is elongated and flexible, with a dog-like head with small ears. They have strong jaws with sharp teeth, which are capable of leaving great wounds in their prey. This species has limbs modified into flippers, similar to that of an Otariidae of the Holocene. Like them, the millalobo is also more mobile on land. When swimming, these animals use their four flippers to give propulsion underwater. All these characteristics could pass them as a descendant of the pinnipeds, but these are only cases of convergent evolution. The only characteristic that differs from true seals is the presence of a stubby, 15 cm long tail. The pelage is thick and luxuriant, being light tawny on the females and young males, becoming dark brown in older males. Both sexes have pale underparts.
The millalobo is carnivorous, feeding on fish, squid and crustaceans. They take long, offshore foraging trips, but sometimes can hunt near the coast. They can also eat seabirds, such as penguingulls, and mammals like the Ayapuh. The females and young males prefer to hunt smaller prey, while the adult males hunt mostly the large ones. When hunting penguingulls, the millalobo patrols the waters near the breeding colonies, almost completely submerged, waiting for the birds to enter the ocean. It kills the swimming bird by grabbing its feet, then shaking it vigorously and beating its body against the surface of the water repeatedly until the bird is dead. The Ayapuh is killed by these mammals with a bite on their necks. The largest of the males is also capable of killing a newborn algocetus.
While they spend most of their time on the sea, these animals establish territories at the coast where they rest. The males will have a large territory. They are very territorial, fighting fiercely against males that try to invade. These fights can be violent, with deep wounds being left due to their large canines. The females don’t have a fixed territory, being able to move around the territory of the males. They are more sociable, even forming small groups in beaches or rocky areas. Such agglomerations are more common when they have cubs and during the winter. In the winter, the dominant male will occasionally participate in these groups to get warm.
The mating season of the millalobo starts at the end of the autumn. During this period, the females will be starting to reunite in groups to get warmer during the night due to the temperature falling. Such groups are usually formed in the center of the territory of a dominant male. With most of the females together in only one place, the male will come in search of those that are fertile. The male will do it for 3 weeks, which is the period that the females remain fertile. During this time, he'll try to copulate with most of the receptive females that he can find. Is during this period that other males that don’t have territories try to approach females, resulting in fights.
The gestation lasts from the end of the autumn to the beginning of the spring. During this period the females disperse in search of safe locations where they can give birth. These places usually are caves or large rock crevices, any place where the females can enter and the predators will not be able to have access to the cubs. Some females can enter estuaries, reaching freshwater in search of such locations.The female gives birth to one or two cubs. They are born with closed eyes that open one day after birth. The ears take a bit longer, opening three days after they are born. The females remain with the cubs for ten days, after that they start to go forage at the sea.
After one month, the pups already are capable of swimming and the mother will guide them out of the den where they were born toward the groups of females that start to form during these periods. Differently of the groups formed during the winter, these are smaller and only have mothers and their pups. While the females go search for food, the young remain together in crèches. Pups are weaned after a year, at this point they are already capable of living alone. If they are female, their mother will tolerate their presence. However, the males are aggressively expelled by the mother, being forced to have an errant life until they are able to secure their own territory in the coast. The sexual maturity of this species is reached with 5 years and they have a lifespan of 36 years. However, few reach this age. Many males are killed in territorial fights, while individuals of both sexes are eaten by large sharks, such as the sea onza.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9163
Рейтинг: 3
ссылка на сообщение  Отправлено: 06.06.22 13:07. Заголовок: JOrnitho Good one! ..


JOrnitho
Good one! A very elaborate description!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 244
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.06.22 11:50. Заголовок: I was thinking if th..


I was thinking if the lack of suitable tree holes due to the bees would compel cavity nesting birds to start making nests in holes on cliffs and slopes. The project already have the digging parrot that does exactly that, but I was thinking if other birds could do the same. For example, a group of trogons that evolved to do it.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9190
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.06.22 12:15. Заголовок: JOrnitho But bees t..


JOrnitho
But bees themselves can make their nests (hives) in rock holes instead of trees. Only given it is in tropical climate, so that they have sufficient temperature for development of their eggs, larvae and pupae during metamorphosis. Or you refer to some special species of bees that forces birds out (maybe Africanized "killer" bees)?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 245
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.06.22 15:41. Заголовок: Биолог пишет: Or yo..


Биолог пишет:

 цитата:
Or you refer to some special species of bees that forces birds out (maybe Africanized "killer" bees)?


It's because in the chapter that I'm translating, the Three Fates in Selva, is mentioned how difficult is for the birds to make nests in tree holes due to the competition with Africanized bees. So, I thought that some could learn to excavate nests in cliffs to avoid it.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9194
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.06.22 16:50. Заголовок: JOrnitho Ah, now I ..


JOrnitho
Ah, now I see! But birds may also develop some other mechanisms of protection against Africanized bees. But the idea is interesting!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 247
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.06.22 17:04. Заголовок: Биолог пишет: But b..


Биолог пишет:

 цитата:
But birds may also develop some other mechanisms of protection against Africanized bees.


Oh, this is an interesting idea! One of these strategies could be that some birds use toxic leaves in their nests to repel bees.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9196
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.06.22 17:38. Заголовок: JOrnitho toxic leav..


JOrnitho

 цитата:
toxic leaves in their nests to repel bees


Yes! The leaves that give out some smell or toxin that repels bees but is harmless to birds! The only problem is that in some time the vapor wears off and the smell fades away, so the bird must fetch some fresh material.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 248
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.06.22 17:43. Заголовок: Биолог пишет: The o..


Биолог пишет:

 цитата:
The only problem is that in some time the vapor wears off and the smell fades away, so the bird must fetch some fresh material.



It can be solved with one of the parents staying incubating while the other goes to collect these leaves.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9198
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.06.22 17:45. Заголовок: JOrnitho Yes, why n..


JOrnitho
Yes, why not.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 249
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.06.22 18:06. Заголовок: I think that psittac..


I think that psittacids and woodpeckers could develop this strategy. Now we only need to have the species of plant that they could use. There is anyone in the project that have bonical knowledge?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9200
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.06.22 18:19. Заголовок: JOrnitho psittacids..


JOrnitho

 цитата:
psittacids and woodpeckers


OK.

 цитата:
species of plant that they could use



 цитата:
anyone in the project that have bonical knowledge?


I am not bad in botany, but not good enough to know tropical flora in detail. I think it could be some species of Solanaceae or maybe a descendant of Toxicodendron. But let's discuss this in another topic.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 265
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.06.22 03:51. Заголовок: I made this descript..


I made this description for some descendants of the bananaquit.

Emerald sibite (Carpophagus viridis)
Order: Passeriformes
Family: Thraupidae
Habitat: Atlantic forests of South America
During the Holocene, humans created gardens in the cities, which attracted many animals. One of these animals was the bananaquit (Coereba flaveola). These birds were common across all of tropical and warm areas of the American continent. Bannaquits prospered during the Holocene and survived in to the Neocene, giving rise to the Genus Carpophagus, the sibites (this word was one of its popular names on Brazil). The type species of the genus is the emerald sibite, which lives in the Atlantic forests of South America.
These birds have 11 cm of length and a wingspan of 20 cm. All species of sibite are sexually dysmorphic, males are bright colored. In the case of the emerald sibite, males are bright green with black around the eyes, on the throat, back, wings and tail. Females and juveniles are similar, being dull green with grey on the throat, back, wings and tail. Both sexes have grey legs and feet. The beak is grey and sharp.
The sibites eat mostly fruits and nectar, rarely feeding on small invertebrates. They use their sharp beak to perforate the peel of large fruits and proceed to consume the pulp. When eating nectar, these birds pierces the flowers from the side, taking the nectar without pollinating the plant. Sometimes small insects are consumed.
This species is monogamous, mating for life. It builds a spherical lined nest with a side entrance hole, laying up to three spotted eggs, which are incubated solely by the female for 20 days. The male stay away from the nest most of the time (because of its colorful feathers) defending the territory and return to bring food for the female. These birds breed all year regardless of season and build new nests throughout the year. The young fledge usually with 18 days and reach sexual maturity with 4 months. The lifespan of this species is of 8 years.
Other species in the genus Carpohagus:
Amazonian sibite (Carpophagus amazonicus)
Living in the Amazon rainforest, this bird has a similar size to the emerald sibite. The male of this species is bright yellow with black around the eyes, on the throat, back, wings and tail. The females and juveniles have dull colors.

Dwarf sibite (Carpophagus nanus)
This is the smallest species on the genus, with only 9 cm of length and 17 cm of wingspan. This is an inhabitant of the forests and woodlands near the Andes. The male is bright greenish yellow with black around the eyes, on the throat, back, wings and tail. The females and young have dull colors.

The genus Carpophagus belong to the family Thraupidae and together with the genera Sentrentriornithes (northern sibites) and Neocoereba (insular sibite) they form the subfamily Carpophagiinae.

Species in the genus Setentriornithes:
Black-headed northern sibite (Setentriornithes nigrocephalus)
Living in the tropical forests of North America, this bird has 13 cm of length and a wingspan of 23 cm. The males have bright yellow feathers at the throat, abdomen and belly. They also have dark plumage on the head, back, wings and tail with the presence of white around the eyes. Females and young are pale grey with shadows of yellow in the underparts.
Black northern sibite (Setentriornithes nigrus)
Living in the subtropical forests of the Florida’s Peninsula, this bird has 14 cm of length and a wingspan of 25 cm. The males are completely black with white around the eyes. They also have a bright yellow rump. The females and juveniles are pale grey.

Specie in the genus Neocoereba:
Insular sibite (Neocoereba insularis)
The only member of it genus, the insular sibite lives in the forests of Great Antigua. It has 10 cm of length and a wingspan of 18 cm. Differently of sibites of other genera, the insular sibites don’t have sexual dimorphism, both the male and female have whitish grey heads, back, wings and tail. The belly and underpart of both sexes is yellow.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9236
Рейтинг: 3
ссылка на сообщение  Отправлено: 20.06.22 14:16. Заголовок: JOrnitho Good ones,..


JOrnitho
Good ones, in three genera in a row!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 270
Рейтинг: 2
ссылка на сообщение  Отправлено: 23.06.22 04:59. Заголовок: I saw that there is ..


I saw that there is a descendant of the house sparrow in North America , this makes me think if it would be possible for those living in South America to survive too. They could form mixed flocks with other species of seed-eating birds.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9248
Рейтинг: 3
ссылка на сообщение  Отправлено: 23.06.22 10:52. Заголовок: JOrnitho I think ye..


JOrnitho
I think yes, it's possible, the South American population could give a different descendant, not the same as in North America.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 271
Рейтинг: 2
ссылка на сообщение  Отправлено: 23.06.22 17:25. Заголовок: I made the descripti..


I made the description for this South American descendant of the sparrow.

Monarch sparrow (Americopasser regius)
Order: Passeriformes
Family: Passeridae
Habitat: Savannas of Central South America
During the Holocene, the man introduced many species to other continents. Those that were able to survive left descendants in the Neocene. The monarch sparrow is one of them. This species is a descendant of the house sparrow (Passer domesticus) that was introduced in South America. This bird inhabits the savannas of Central South America.
The monarch sparrow is typically about 15 cm long, ranging from 14 to 18 cm. They have a wingspan of 19 to 25 cm. This species is a compact bird with a full chest and a large, rounded head. Its bill is large and thick. The monarch sparrow is a sexually dismorphic bird. The males have chestnut face and throat, with a black crown and nape. They have an auburn back and grey underparts. The females have a pale grey crown and lack the chestnut in the face and throat. The plumage of the youngs are similar to that of the female. Both sexes have a white and a black wing bar below its shoulders, and flight feathers and tail streaked grey and black. Their large bill is dark grey, while the legs and feet are slate-gray.
These birds' primary source of food are seeds of grains and weeds, but occasionally insects will also be consumed. They use the strong beaks to crush the food. This characteristic allows them to consume hard seeds and the occasional insect with a hard exoskeleton. While foraging, they form mixed flocks with Thraupidae seedeaters.
The monarch sparrow is gregarious, forming flocks that stay together while foraging and sleeping. Monogamous, they usually mate for life. However, birds from pairs often engage in extra-pair copulations. Male monarch sparrows guard their mates carefully to avoid being cuckolded, and most extra-pair copulation occurs away from nest sites. Males may sometimes have multiple mates, and bigamy is mostly limited by aggression between females. Many birds do not find a nest and a mate, and instead may serve as helpers around the nest for mated pairs, a role which increases the chances of being chosen to replace a lost mate. Lost mates of both sexes can be replaced quickly during the breeding season. The formation of a pair and the bond between the two birds is tied to the holding of a nest site, though paired house sparrows can recognise each other away from the nest.
This species can breed at any time of the year, but it's more common to happen when food is successful. Nest sites are varied, though cavities are preferred. Holes in cliffs and banks, and tree hollows, are used. They will sometimes excavate their own nests in sandy banks or rotten branches, but more frequently uses the nests of other birds such as those of swallows in banks and cliffs, and old tree cavity nests. It usually uses deserted nests, though sometimes it usurps active ones by driving away or killing the occupants. When there aren't cavities available, the monarch sparrow will build nests in tree branches and even below nests of large birds.
The nest is usually domed, though it may lack a roof in enclosed sites. It has an outer layer of stems and roots, a middle layer of dead grass and leaves, and a lining of feathers, as well as other soft materials. The building of the nest is initiated by the unmated male while displaying to females. The female assists in building, but is less active than the male. The monarch sparrow do not hold territories, but they defend their nests aggressively against intruders of the same sex.
The female usually lays four to five greenish-white, spotted brown eggs. They hatch at the same time after 14 days of incubation. Young monarch sparrows remain in the nest for 23 days. During this time, they are fed by both parents. As newly hatched sparrows do not have sufficient insulation, they are brooded for a few days, or longer in cold conditions. The parents swallow the droppings produced by the hatchlings during the first few days; later, the droppings are moved up to 20 m away from the nest. They are capable of sustaining themselves within 30 days. Sexual maturity is reached with 3 months and they have a lifespan of 7 years, but many perish early than that. This species is partially migratory, moving in flocks in search for food.
The austral sparrow (Americopasser australis) is another species that is part of the genus Americopasser. This species inhabits the prairies and plains of Southern South America. They have 18 cm of length and 35 cm of wingspan. Morphologically, they are similar to the monarch sparrow. They also have large and strong beaks. The only difference between the two species is that the males have a black head with a chestnut throat. The female is similar to that of the monarch sparrow. This species is migratory, leaving the Southern areas in large flocks during the winter to Northern zones, even reaching the fringes of the Amazon rainforest.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9249
Рейтинг: 3
ссылка на сообщение  Отправлено: 23.06.22 18:16. Заголовок: JOrnitho Wow, good ..


JOrnitho
Wow, good species with a great name!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 272
Рейтинг: 2
ссылка на сообщение  Отправлено: 23.06.22 21:14. Заголовок: What could be an int..


What could be an interesting niche for a cuculid to have in South America? Most of the species here aren’t parasitic, so I was thinking if these species could have some new niches that their ancestors didn’t had.
Another idea that I also had is that maybe the parasitic species could lay eggs in exclusively in nests of these cuculids that aren’t parasitic and remained with niches similar of their ancestors, such as members of the genus Piaya, Coccyzus or Guira.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9252
Рейтинг: 3
ссылка на сообщение  Отправлено: 24.06.22 10:41. Заголовок: JOrnitho What could..


JOrnitho

 цитата:
What could be an interesting niche for a cuculid to have in South America? Most of the species here aren’t parasitic, so I was thinking if these species could have some new niches that their ancestors didn’t had.


May be, a ground runner, like Geococcyx?

 цитата:
parasitic species


Which parasitic species?

 цитата:
Piaya, Coccyzus or Guira


Wikipedia states that Coccyzus species are partially, but not obligately, parasitic (sometimes lay eggs in other birds' nests).

Спасибо: 0 
Профиль
JOrnitho



Пост N: 273
Рейтинг: 2
ссылка на сообщение  Отправлено: 24.06.22 15:53. Заголовок: Биолог пишет: May b..


Биолог пишет:

 цитата:
May be, a ground runner, like Geococcyx?


Here in South America we have the genus Neomorphus, the New World ground cuckoos. They are very threatened by deforestation. Perhaps they could be restricted to Amazon, while another species evolved to be an analogue of the Geococcyx in the rest of their territory.

Биолог пишет:

 цитата:
Which parasitic species?


The striped cuckoo (Tapera naevia) or the genus Dromococcyx. Their descendants could be obligated parasites of other cuckoos.

Биолог пишет:

 цитата:
Wikipedia states that Coccyzus species are partially, but not obligately, parasitic (sometimes lay eggs in other birds' nests).



Yes, I was thinking that one of their descendants could only lay eggs in their on nests. They would eat insects, having a preference for stinging caterpillar. They could be imune to their toxic substances.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9254
Рейтинг: 3
ссылка на сообщение  Отправлено: 24.06.22 17:02. Заголовок: JOrnitho Here in So..


JOrnitho

 цитата:
Here in South America we have the genus Neomorphus, the New World ground cuckoos. They are very threatened by deforestation. Perhaps they could be restricted to Amazon, while another species evolved to be an analogue of the Geococcyx in the rest of their territory.


Yes, why not? Your Neomorphus can survivve and give descendants in rainforests after the humans is gone, while a new species can develop in grasslands or mountains.

 цитата:
striped cuckoo (Tapera naevia)


Ah, I've read about Brazilian folklore character - the Saci! The name for descendant species is ready - the saci!

 цитата:
They would eat insects, having a preference for stinging caterpillar. They could be imune to their toxic substances.


Just like the common cuckoo. It eats hairy venomous caterpillars constantly.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 274
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.06.22 03:43. Заголовок: Биолог пишет: Your ..


Биолог пишет:

 цитата:
Your Neomorphus can survivve and give descendants in rainforests after the humans is gone, while a new species can develop in grasslands or mountains.


I was also thinking that the new species could also live in the Atlantic forests, filling the niche that the Neomorphus left here.

Биолог пишет:

 цитата:
Ah, I've read about Brazilian folklore character - the Saci! The name for descendant species is ready - the saci!


This is really good! The striped cuckoo is already called this way in some parts of Brazil, this name fits well to this new species. Perhaps we could also add some of the characteristics of the mischief made by the creature from folklore in the description of the birds strategy to put eggs in the nest of other cuckoos.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9256
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.06.22 10:28. Заголовок: JOrnitho new speci..


JOrnitho

 цитата:
new species could also live in the Atlantic forests, filling the niche that the Neomorphus left here


Yes, why not.

 цитата:
Perhaps we could also add some of the characteristics of the mischief made by the creature from folklore in the description of the birds strategy to put eggs in the nest of other cuckoos.


Yes, excellent!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 276
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.06.22 05:07. Заголовок: I finished the descr..


I finished the description of the cukoos.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9261
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.06.22 12:58. Заголовок: JOrnitho Wow, four ..


JOrnitho
Wow, four in a row! Great!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 277
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.06.22 18:08. Заголовок: Sometime ago I made ..


Sometime ago I made this description for a new family derived of the Dendrocolaptidae. Do you have ideas for how it could avoid direct competition with the woodpeckers?

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9262
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.06.22 19:47. Заголовок: JOrnitho May be, th..


JOrnitho
May be, they could be nocturnal? Or they could eat some insects that true woodpeckers do not eat?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 278
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.06.22 22:51. Заголовок: Биолог пишет: May b..


Биолог пишет:

 цитата:
May be, they could be nocturnal? Or they could eat some insects that true woodpeckers do not eat?


These are interesting ideas! Maybe these birds could feed mostly on ants and termites, using the beak open the nest of these insects. Or they could eat larvae and adults of a poisonous family of beetles that appeared in the Neocene. Their saliva could be sticky to capture these insects and they would be imune to the poison. They could also be more active during crepuscular hours.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9263
Рейтинг: 3
ссылка на сообщение  Отправлено: 27.06.22 11:36. Заголовок: JOrnitho Their sali..


JOrnitho

 цитата:
Their saliva could be sticky to capture these insects and they would be imune to the poison.


Very good! Add there a long tongue, like in Chameleo boatbill (the chapter "Stormy Forest").

Спасибо: 0 
Профиль
JOrnitho



Пост N: 279
Рейтинг: 2
ссылка на сообщение  Отправлено: 27.06.22 13:46. Заголовок: Биолог I added these..


Биолог
I added these new information in the description. I think that these differences are enough to maintain it in a new family, rather than in the Dendrocolaptidae.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9264
Рейтинг: 3
ссылка на сообщение  Отправлено: 27.06.22 14:03. Заголовок: JOrnitho OK, so be ..


JOrnitho
OK, so be it!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 280
Рейтинг: 2
ссылка на сообщение  Отправлено: 27.06.22 20:54. Заголовок: I made these descrip..


I made these descriptions in homage to the entrance of their ancestors in the official list of birds of Brazil. They came from Argentina and Uruguay and are here to stay.

Yellow-winged goldfinch (Carduelis xanthopteron)
Order: Passeriformes
Family: Fringillidae
Habitat: Forests and woodlands of Southern South America
During the Holocene, the man introduced many species to other continents. One of these species was the European goldfinch (Carduelis carduelis), introduced in Southern South America. This species was able to survive and in the Neocene they gave rise to a new species, the yellow-winged goldfinch. This bird inhabits forests and woodlands of Southern South America, migrating to the Atlantic rainforest of South America and to the terra firme forests of Amazon, where it is found in the understorey parts of it.
The yellow-winged goldfinch is 12 to 13 cm long, with a wingspan of 21 to 25 cm. This species is sexual dysmorphic, with the male having a large dark red head. In females, the head is pale red. Their plumage is chocolate brown in the upper parts and creamy-white in the underparts with dark brown flanks and breast patches. Their main characteristic is the bright yellow primaries and secondary feathers, present in both sexes. The bill is ivory-colored, long and pointed, and the tail is forked. Birds in breeding condition have a white bill, with a blackish mark at the tip for the rest of the year. Juveniles have a plain head and a greyer back but are unmistakable due to the yellow wing stripe. The legs are pale grey.
The preferred food of these birds is small seeds and berries, but insects are also taken when feeding young. They forage in flocks, sometimes mixed with other species.
The yellow-winged goldfinch is mostly monogamous, but males can occasionally breed with at least two females. The nest is built entirely by the female and is generally completed within a week. The male accompanies the female, but does not contribute. The nest is neat and compact and is generally located several metres above the ground, hidden by leaves in the twigs at the end of a swaying branch. It is constructed of mosses and lichens and lined with plant down. It is attached to the twigs of the tree with spider silk. A deep cup prevents the loss of eggs in windy weather. Beginning within a couple of days after the completion of the nest, the eggs are laid in the early morning at daily intervals. The clutch is typically 4-6 eggs, which are whitish with reddish-brown speckles. They have a smooth surface and are slightly glossy.
The eggs are incubated for 11 to 13 days by the female, who is fed by the male. The chicks are fed by both parents. Initially they receive a mixture of seeds, berries and insects, but as they grow the proportion of insect material decreases. For the first 7 to 9 days the young are brooded by the female. The nestlings fledge 15 days after hatching. The young birds are fed by both parents for a further 9 days. The parents typically raise two broods before migrating in the winter. Sexual maturity is reached when the chicks are in their winter areas, with them being able to breed as soon as they return in spring. Their lifespan is 9 years.

Scaled starling (Sturnus squamosus)
Order: Passeriformes
Family: Sturnidae
During the Holocene, the man introduced many species to other continents. One of these species was the common starling (Sturnus vulgaris), introduced in Southern South America. This species was capable of surviving, giving rise to the scaled starling in the Neocene. This gregarious bird inhabits all the biomes from the temperate forests of Tierra del Fuego to the Atlantic forests of Southeastern South America. The population that inhabits the temperate areas migrate in large flocks of thousand individuals to the Amazon rainforest during the austral winter. Upon reaching their wintering areas, the flocks disperse.
Scaled starlings have 18 to 22 cm of length and a wingspan of 30 to 43 cm. The plumage is iridescent purple with dark edges on the feathers, giving the bird a "scaly" appearance. During the winter, their plumage becomes more dull and full of white spots in the belly and chest. Juveniles are grey-brown and by their first winter resemble adults though often retaining some brown juvenile feathering, especially on the head. Their sharp, blade-like bill is bright yellow, while the legs and feet are bright orange.
The scaled starling is largely insectivorous and feeds on several types of insects. Prey are consumed in both adult and larvae stages of development, and common starlings will also feed on earthworms, snails, small amphibians and lizards. While the consumption of invertebrates is necessary for successful breeding, common starlings are omnivorous and can also eat grains, seeds, fruits and nectar if the opportunity arises.
These birds are monogamous, but the males can occasionally breed with more than one female. For the population living in the temperate areas of South America, the breeding season happens during the winter, while those living in tropical areas can breed during the entire year. Unpaired males find a suitable cavity and begin to build nests in order to attract single females, often decorating the nest with ornaments such as flowers and fresh green material, which the female later disassembles upon accepting him as a mate. The amount of green material is not important, as long as some is present, but the presence of herbs in the decorative material is important in attracting a mate.
The males sing throughout much of the construction and even more so when a female approaches his nest. Following copulation, the male and female continue to build the nest. Nests may be in any type of hole, common locations include inside hollowed trees and tree stumps. The female lays eggs on a daily basis over a period of several days. If an egg is lost during this time, she will lay another to replace it. There are normally four or five eggs that are ovoid in shape and white. Incubation lasts thirteen days, although the last egg laid may take 24 hours longer than the first to hatch. Both parents share the responsibility of brooding the eggs, but the female spends more time incubating them than does the male, and is the only parent to do so at night when the male returns to the communal roost. The young are born blind and naked. They develop light fluffy down within seven days of hatching and can see within nine days. Nestlings remain in the nest for three weeks, where they are fed continuously by both parents. Fledglings continue to be fed for another one or two weeks after leaving the nest. The lifespan of this species is 20 years, but many perish before even reaching 5 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9265
Рейтинг: 3
ссылка на сообщение  Отправлено: 27.06.22 22:04. Заголовок: JOrnitho Good ones!..


JOrnitho
Good ones!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 281
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.06.22 05:26. Заголовок: Some more descriptio..


Some more descriptions because I was very inspired after the weekend.

Common melodious wren, or Common eastern uirapuru (Cambaxirra canora)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. One of these new species is the common melodious wren, a descendant of the birds of the Genus Troglodytes. These birds are also the type species of the Genus Cambaxirra, the Eastern uirapurus. While cambaxirra was a common brazilian name for Troglodytes birds, the word uirapuru was a name used by the Tupi-guarani people to name some species of passerines, more famous used to name birds of the Genus Cyphorhinus, which descendants in the Neocene are endemic to the Amazon rainforest as members of the Genus Irapuru. The common melodious wren is endemic to the Atlantic rainforest of Southeastern and Northeastern South America.
The common melodious wren is a small bird, the adults are 13 to 15 cm long with a wingspan of 17 cm. Their plumage is brown, being darker on the upperparts and lighter on the throat and chest. They have blackish barring to the wings, tail and to the flanks. The bill is thin with a blackish upper mandible, and a black-tipped pale grey lower mandible. The legs are pinkish or grey. The short tail has a white tip and is typically held cocked.
These birds forage actively in the lower areas of the forest vegetation, never going to the canopy. They mainly eat insects such as butterfly larvae, also spiders and snails. The common melodious wren rarely attend mixed-species feeding flocks.
The common melodious wren doesn't form flocks, being solitary or living in pairs. These birds are monogamous, with the bonded pair being aggressive to members of their own species. Such aggressiveness increases during the nesting season. Their courtship starts during rainy summer months, with the male singing an elaborated and agradable song to attract the female. Usually, he does it in a branch close to the ground. The female will land near him and, if she is pleased by it, will sing with him. This melodious species has different types of songs to use on several occasions. For example, those used to mark territory is different from those used by mated pairs in their "duet" to strengthen their bond.
They usually construct a large cup nest in various sorts of cavities, taking about a week to build. The nest is made from small dry sticks and is usually lined with a variety of different materials. These include: feather, hair, wool, spider cocoons, strips of bark, rootlets and moss. The male wren finds dry sticks, which he adds to the nest. Once he is done, the female inspects the nest; but if she does not approve of the construction, she will throw any unwanted sticks to the ground. After this process, the female lines the nest. Nest cavities are usually a few meters above ground at most, but they can occasionally have nests in high cliffs.
The common melodious wrens' clutch is usually between two and eight red-blotched cream eggs. Only the female incubates these, for around 12–19 days, and she will every now and then leave the nest for various reasons. While she is in the nest, the male provides her with food. The young, which like all passerines hatch almost naked and helpless, take another 15–19 days or so to fledge. They are fed by both parents, and need plenty of food given their tiny size. As the young near fledgling, the parents spend much of their time procuring food for them. They reach sexual maturity with 6 months and have a lifespan of 7 years.
There are other species in the genus Cambaxirra, with each one of them having different songs. The Noronha melodious wren (Cambaxirra noronhensis) is endemic to the Archipelago of Fernando de Noronha. They have 11 cm of length and a wingspan of 22 cm. Their plumage is rufous brown above, pale gray below, barred with darker brown and black, even on wings and tail. The bill is dark brown, the legs pale brown. Young birds are less distinctly barred. The restinga melodious wren, or restinga eastern uirapuru (Cambaxirra litoralis) is endemic to the Atlantic coast restingas, an ecoregion closely associated with the Atlantic forest. They have 13 cm of length and 24 cm of wingspan. They have brown head and upperparts, barred with black on the wings and narrow tail. It has a stronger buff eyebrow stripe and black eyestripe. Their underparts are gray and white in the throat. The flanks and undertail coverts have dark brown bars. Another species is the serra melodious wren (Cambaxirra serrana), which is endemic to the mountainous Atlantic forests of Southeastern South America. They have 12 cm of length and 23 cm of wingspan. They have brown upperparts with small black and white spots and pale grey underparts with a light brown rump. Additional distinctive features include a dark grey line over the eye. The last representative of this genus is the southern melodious wren (Cambaxirra australis), which inhabits the forests of Southern South America. They have brown upperparts with a reddish-brown belly and flanks and a white throat and breast. The back is black with white stripes. They have a dark cap with a white line over the eyes. During winter, this species migrates to the areas of Southern Amazon rainforest.

Marvelous musician wren, or marvelous true-uirapuru (Irapuru mirus)
The human actions during the Holocene caused the decline of many species. The Amazon rainforest suffered with deforestation and exploitation of its soil for the extraction of gold and other valuable minerals. Many species were only able to survive such an onslaught because they retreated to remote areas that were difficult for the humans to reach. Living safely in these areas, they continued to evolve. Now, their descendants in the Neocene are the signals of their success. One of these animals is the marvelous musician wren, the type species of the Genus Irapuru. This bird is a descendant of the Genus Cyphorhinus, called as uirapurus by the Tupi people of Brazil.
The marvelous musician wren have 13 cm of length and 20 cm of wingspan. The adult has a dark brown forehead and forecrown that becomes chestnut brown in the back and rump. It has a narrow white supercilium, a chestnut brown stripe behind the eye, and an orange-brown throat and chest. The tail is brown with cream-white tips. Its flanks and lower belly are yellowish brown. The juvenile is similar but sometimes has faint barring on its lower belly. The beak and legs are pale grey. Their vocalization is a series of agradable whistles, varying greatly in pitch.
This bird forages primarily on and near the ground, searching debris and leaf litter. Its diet is mostly invertebrates, including insects, spiders, and crustaceans, but it also occasionally eats berries. It usually forages alone or in pairs. Though it sometimes follows army ant swarms it does not usually join mixed-species foraging flocks.
The marvelous musician wren is monogamous, with pairs staying together for the rest of their lives. The breeding season starts during the beginning of the dry season. Males that don’t have pairs will congregate in a clean part of the forest ground. Here they will realize a specific vocalization to attract the females. With one land near them, the males will sing a song used for courtship. If she chose one of them, the female will approach him and start to make a "duet" with the male. These presentations can have from two to seven males and the order of the singing to the female is decided through intimidation and sometimes by fights between the males. Mated pairs will sing in "duet" to strengthen their bond.
The parents work together to build the nest, which is spherical with an entrance through a funnel-shaped path and is constructed of pieces of leaves and coarse grass. The female lays two white eggs. She is the only responsible for incubating them, with the male bringing food for her and protecting the area of the nest against members of their own species. The incubation lasts for 15 days. The young hatch almost naked and helpless, taking another 16 days to fledge. They are fed by both parents, and need plenty of food given their tiny size. As the young near fledgling, the parents spend much of their time procuring food for them. They reach sexual maturity with 7 months and have a lifespan of 8 years.
The Tepui musician wren, or Tepui true-uirapuru (Irapuru canorus) is another species of the genus Irapuru. This species inhabits the tepuis located in the Northern areas of Amazon. They have 11 cm of length and 18 cm of wingspan. They have a similar plumage to that of the Marvelous musician wren, with the only exception being the reddish-brown feathers in their underparts. Their song is also different from that of the lowland species. Another member of the genus is the Andean musician wren, or Andean true-uirapuru (Irapuru andinus). This species inhabits the altitude forests in the slopes of the Andes. They have 12 cm of length and 19 cm of wingspan. Their plumage is similar to that of their congenere, except for the lack of white supercilium and the presence of creamy-white feathers in the belly. Their song is also different and the males do not congregate in groups to present for the female, rather being very aggressive to each other during the breeding.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9266
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.06.22 10:30. Заголовок: JOrnitho Great insp..


JOrnitho
Great inspiration! Two more good species!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 284
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.06.22 23:32. Заголовок: I was thinking if yo..


I was thinking if you had ideas for other interesting birds for South America. Maybe some that could have an interesting relation with army ant or that were endemic to a small area. I like to discuss ideas of other people, or how some of my friends say, "we could brainstorm together".
Also, I was thinking about the possibility of a medium-sized Cotinga that have elaborate courtship like the birds-of-paradise living here.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9271
Рейтинг: 3
ссылка на сообщение  Отправлено: 29.06.22 13:49. Заголовок: JOrnitho Firstly, t..


JOrnitho
Firstly, the birds in relationship with ants. It depends on which birds and which ants. Army ants already present in neocene have no relations with birds, since army ants do not inhabit one place constantly.
Secondly, the cotingas. Here, the bellbirds are interesting, as they could give descendants with more specialized vocal calls used to either/both mark the territory, call for mating partner and/or repel enemies with different calls.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 285
Рейтинг: 2
ссылка на сообщение  Отправлено: 29.06.22 15:42. Заголовок: Биолог пишет: Army ..


Биолог пишет:

 цитата:
Army ants already present in neocene have no relations with birds, since army ants do not inhabit one place constantly.


This is interesting. There is species of birds in South America that follow ants. Some are obligate, taking most of their diet from them. Maybe a family of nomad birds appeared, one that constantly follows the insects. Also, these ants that they follow would need to be a diurnal species.

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4222
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 29.06.22 19:00. Заголовок: JOrnitho пишет: Thi..


JOrnitho пишет:

 цитата:
This is interesting. There is species of birds in South America that follow ants. Some are obligate, taking most of their diet from them. Maybe a family of nomad birds appeared, one that constantly follows the insects. Also, these ants that they follow would need to be a diurnal species.


There is such a bird in the forests of Central America http://www.sivatherium.narod.ru/avies.htm#gymnopithys_latronem_ru , but the description in Russian.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 286
Рейтинг: 2
ссылка на сообщение  Отправлено: 29.06.22 19:21. Заголовок: wovoka пишет: There..


wovoka пишет:

 цитата:
There is such a bird in the forests of Central America http://www.sivatherium.narod.ru/avies.htm#gymnopithys_latronem_ru , but the description in Russian.


Then, there could be a related species inhabiting the Amazon in South America, sort of a nomadic antbird. Does the conquistador ants live in South America, or any related species?

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4224
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 29.06.22 19:40. Заголовок: JOrnitho пишет: Doe..


JOrnitho пишет:

 цитата:
Does the conquistador ants live in South America, or any related species?


No, conquistador ants live only in Central America, and they don't have any relatives in South America.

JOrnitho пишет:

 цитата:
Then, there could be a related species inhabiting the Amazon in South America, sort of a nomadic antbird.


Yes, of course.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9273
Рейтинг: 3
ссылка на сообщение  Отправлено: 29.06.22 20:39. Заголовок: JOrnitho And what d..


JOrnitho
And what do you think about my idea for bellbirds? Their wattles can develop into something special, along with vocal calls.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 287
Рейтинг: 2
ссылка на сообщение  Отправлено: 29.06.22 20:49. Заголовок: wovoka пишет: No, c..


wovoka пишет:

 цитата:
No, conquistador ants live only in Central America, and they don't have any relatives in South America.


Maybe the ant that these birds follow could be a descendant species of army ant from South America.

Биолог пишет:

 цитата:
And what do you think about my idea for bellbirds? Their wattles can develop into something special, along with vocal calls


I like it! Perhaps this descendant of the bellbird could have a loud call to attract the females, before executinv some "dance" for them. Any idea about how their plumage could be used in the courtship?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9276
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.06.22 10:58. Заголовок: JOrnitho Any idea a..


JOrnitho

 цитата:
Any idea about how their plumage could be used in the courtship?


Oh, why plumage? The wattles! They are already present, and can become brightly colored and probably bearing bright-colored warts!

Спасибо: 0 
Профиль
wovoka
moderator




Пост N: 4228
Откуда: Республика Лакота
Рейтинг: 8
ссылка на сообщение  Отправлено: 30.06.22 11:21. Заголовок: JOrnitho пишет: May..


JOrnitho пишет:

 цитата:
Maybe the ant that these birds follow could be a descendant species of army ant from South America.


Yes, sure.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 288
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.06.22 16:09. Заголовок: Биолог пишет: Oh, w..


Биолог пишет:

 цитата:
Oh, why plumage? The wattles! They are already present, and can become brightly colored and probably bearing bright-colored warts!


This is a good idea! Rather than being gray like their ancestors, the males could have bare faces with red, purple and blue. Depending of the species, of course. The wattles and other facial structures would match these colors.
Regarding the army ants and the birds that follow them, I was thinking that there could be a species of nocturnal passerine that follow the species of ants that are active during the night.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9279
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.06.22 18:07. Заголовок: JOrnitho a species ..


JOrnitho

 цитата:
a species of nocturnal passerine that follow the species of ants that are active during the night


I think yes, but other insectivorous birds can also be in this niche, not only passerines. E. g. woodpeckers.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 289
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.06.22 19:06. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think yes, but other insectivorous birds can also be in this niche, not only passerines. E. g. woodpeckers.


Yes, there is also some species of woodpeckers and even cuckoos that follow the army ants in search for food. However, I think that the Formicariidae have more changes to develop such specific habits.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9282
Рейтинг: 3
ссылка на сообщение  Отправлено: 01.07.22 11:17. Заголовок: JOrnitho Yes, why n..


JOrnitho
Yes, why not.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 290
Рейтинг: 2
ссылка на сообщение  Отправлено: 01.07.22 13:53. Заголовок: Also, an interesting..


Also, an interesting idea regarding nocturnal passerines is the possibility of a descendant of the Conopophagidae. There is some species that are active during the dusk, their descendants could have evolved to forage for insects during the night.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9284
Рейтинг: 3
ссылка на сообщение  Отправлено: 01.07.22 16:24. Заголовок: JOrnitho Yes, quite..


JOrnitho
Yes, quite possible. As such, it can become specialized to catch nocturnal insects mid-air, like swifts or swallows do.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 291
Рейтинг: 2
ссылка на сообщение  Отправлено: 01.07.22 20:30. Заголовок: Биолог пишет: As s..


Биолог пишет:

 цитата:
As such, it can become specialized to catch nocturnal insects mid-air, like swifts or swallows do.


It's a good idea! These descendants of the Conopophagidae could have a different morphology than that of their ancestors, having more maneuverability to hunt the insects in the understory of dense forests. Perhaps they could even form a new family.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9295
Рейтинг: 3
ссылка на сообщение  Отправлено: 02.07.22 11:43. Заголовок: JOrnitho I think ye..


JOrnitho
I think yes, but must have abundant food for that - the insects.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 292
Рейтинг: 2
ссылка на сообщение  Отправлено: 02.07.22 14:27. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think yes, but must have abundant food for that - the insects.


Yes. The understory of the rainforest is plenty of flies and mosquitoes.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 293
Рейтинг: 2
ссылка на сообщение  Отправлено: 02.07.22 17:48. Заголовок: I made the descripti..


I made the description for the bellbirds.

Purple magnificent bellbird (Magnoprocnias purpuracea)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. The Genus Magnoprocnias, the magnificent bellbirds, is formed by descendants of New World bellbirds that survived the anthropogenic onslaught during the Holocene. The type species of this genus is the purple magnificent bellbird. This bird is found in the Amazon Rainforest, only being seen in the canopy.
The purple magnificent bellbird is a sexually dismorphic bird, with males having characteristic large purple wattles in the face and throat. The female lacks such structures. The males have 42 cm of length and a wingspan of 63 cm, while the females have 37 cm of length. Both sexes have broad dark gray hooked-tipped bills, rounded wings and strong gray legs. The plumage of the male is mostly white, with a brown back and rump. Their wings are green. The females are duller in color with a black crown, olive-brown upper parts and yellowish underparts streaked with olive green.
The species is completely frugivorous, swallowing the fruits from trees. The magnificent bellbirds perform an important role in seed dispersal. It regurgitates the seeds it cannot digest and deposits them in gap areas beneath song perches, which nearly doubles seedling survival rate.
The purple magnificent bellbird is mostly solitary, living spread across the canopy and only forming small flocks when there is an abundance of fruits. Their breeding season starts during the beginning of the rainy season. The males will fly up to the emergent layer of the forest and will vocalize loudly with a characteristic sharp sound like that of a hammer striking an anvil. The sound is so loud that it can be heard up to a mile away, being louder than a thunder. Once a female approaches him, the male starts a presentation to the female. He will present to her his purple wattle, the female will choose the most colorful males. The same tree branch is used by the male for his presentation during all his life and until the end of the breeding season, they will have attracted several females.
The construction of the nests and parental care is made only by the female. She builds her nest between 6 and 10 meters from the ground in the form of a small cup and decorates it externally with lichens and fungi, which works as a camouflage. The female lays 2 eggs that are incubated by her for 23 days. They fledge after 19 days and remain with their mother for two more weeks. Sexual maturity is reached with 2 years, the time that the males develop the adult plumage and wattles. The lifespan of this species is 18 years.
The Andean magnificent bellbird (Magnoprocnias andinus) is another member of the Genus Magnoprocnias. This bird inhabits the cloud forests in the slopes of the Andes, descending to lowland forests during the winter. Like all species of this genus, they are also sexually dismorphic. The male is mostly white, with brown wings. They have 37 cm of length and a wingspan of 52 cm. Their characteristic wattles are reddish-orange. The female has a plumage similar to that of the purple magnificent bellbird, but is smaller, with 31 cm of length. Another representative of this genus is the Red magnificent bellbird (Magnoprocnias puniceus). This species inhabits the Atlantic forests of Southeastern South America, reaching areas 760 m high. The males have red wattles in the face and neck. The plumage is white in the back and rump, while the chest and belly are brown. The wings are green. The females are similar to that of the other two species of the genus. The males are also larger than the females, with 40 cm of length and a wingspan of 58 cm. The females are 37 cm in length.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9300
Рейтинг: 3
ссылка на сообщение  Отправлено: 02.07.22 19:08. Заголовок: JOrnitho Wow, beaut..


JOrnitho
Wow, beautiful birds!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 294
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.07.22 01:55. Заголовок: I'll work in the..


I'll work in the descriptions of the ant-follower birds. Also, can I suggest ideas for a chapter of the project? It would be regarding the species living in the Atlantic forests of South America, both cloud and lowland forests.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9301
Рейтинг: 3
ссылка на сообщение  Отправлено: 03.07.22 12:38. Заголовок: JOrnitho Also, can ..


JOrnitho

 цитата:
Also, can I suggest ideas for a chapter of the project?


Yes! Your idea about the Easter Island is already included in the plans for future! Also, the Fernando de Noronha is another chapter idea. So, you already have at least two ideas for new chapters.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 295
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.07.22 15:47. Заголовок: Биолог пишет: Your ..


Биолог пишет:

 цитата:
Your idea about the Easter Island is already included in the plans for future! Also, the Fernando de Noronha is another chapter idea. So, you already have at least two ideas for new chapters.


Cool! Are they being discussed somewhere?
My other ideas for chapters are about the Atlantic forest of Rio de Janeiro, with the background being the lowland forests in the coast and the other about the cloud forests in Serra do Mar. Of course, if such elevations still exist in the Neocene.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9304
Рейтинг: 3
ссылка на сообщение  Отправлено: 03.07.22 18:15. Заголовок: JOrnitho Are they b..


JOrnitho

 цитата:
Are they being discussed somewhere?


Yeah, we have a special topic for chapter ideas:
http://sivatherium.borda.ru/?1-6-0-00000291-000-0-0-1656861023
Only Russian, sorry. But a new topic can be opened here, in the English part of the forum. Usually, we collect bestiaries for new chapter ideas in a separate post with a link to it in the starter post. In our case in English part, that topic will have two ideas: Easter Island and Fernando de Noronha. I will make it.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 296
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.07.22 18:52. Заголовок: Cool! Thank you so m..


Cool! Thank you so much!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 302
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.07.22 16:24. Заголовок: I finished the descr..


I finished the description of the antbird.

Nomad antbird (Gymnopithys nomadicus)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. The Nomad antbird is one of the representatives of the Genus Gymnopithys in South America during the Neocene. This species inhabits the terra firme forests of the Amazon, with its presence being associated with that of army ants.

The nomad antbird has 15 cm of length and a wingspan of 27 cm. This species have sexual dimorphism, with the male having a reddish-brown crown and back, while wings and tail are dark brown. The female is greyish-brown in the upperparts. Both sexes have white underparts and blue bare skin around the eyes.

This species is a specialist ant-followers that relies on swarms of army ants to flush insects and other arthropods out of the leaf litter. Their diet is formed mostly by these arthropods, needing for them to constantly follow the army ants. Since such ants rarely stay in the same place for much time, the nomad antbird developed a nomadic behavior, constantly following the ants.

The nomad antbird is found alone or in pairs. This species is monogamous, with the pair staying together for the rest of their lives. They follow the march of the ants together. While they can breed at any time of the year, these birds will reproduce during periods that the ants stay in a place for a long time. Both parents built a cup-shaped nest, where the female will lay two brownish-red eggs. The period of development of the chicks is fast, the male and female are responsible for incubating the eggs for 9 days and the chicks fledge within 12 days. Sexual maturity is reached with 4 months and they have a lifespan of 5 years.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 313
Рейтинг: 2
ссылка на сообщение  Отправлено: 08.07.22 17:32. Заголовок: I made the descripti..


I made the description for some small felines for South America. They share name with some indigenous people of the continent.

Tamoio cat (Austrofelis tamoio)
During the Holocene, humans had caused several impacts on the environment. Among their actions was the introduction of exotic species. Some species were considered companions that sometimes would end becoming feral. With the disappearance of the human species, some of these animals remained and some evolved in new species during the Neocene. One of them is the Tamoio cat, a descendant of the domestic cat (Felis catus) and the type species of the genus Austrofelis. The word Tamoio is the name of the group of indigenous people that inhabited the coastal areas of Southeastern Brazil, from São Paulo to Rio de Janeiro. This feline lives in the Atlantic forests of Southeastern South America, being also present in areas where the Tamoios once lived.

The Tamoio cat has a body length of 78 cm and 36 cm of shoulder height. Their tail is long, with 60 to 100 cm of length. The males are larger than the females. Their fur is cinnamon brown with solid black markings.  The spots on the head and limbs are small, but markings on the back, cheeks, and flanks are open bands and stripes. A few dark stripes run straight from the back of the neck up to the tip of the tail. Its neck and undersides are white, and the insides of the legs are marked with a few horizontal streaks.

This feline prefers hunting in areas with vegetation cover, avoiding open areas, especially on moonlit nights, so as not to be seen by the prey. As a carnivore, it preys on small terrestrial mammals such as rodents, lagomorphs, armadillos, opossums, and also fish, crustaceans, insects, reptiles and small birds. It usually feeds on the kill immediately, but removes bird feathers before. They follow scent trails to acquire prey.

The Tamoio cat is usually solitary and active mainly during twilight and at night. During the daytime, it rests on trees, in dens below large trees or other cool, sheltered sites on the ground. It is agile in climbing and leaping, and escapes predators by jumping on trees. The mating season starts during the autumn. Females enter oestrus lasting for five days. The mating season is marked by noisy fights among males for dominance. The male pursues the female in oestrus, seizes her by the nape of her neck and mounts her. Vocalisations and flehmen are prominent during courtship. After a successful copulation, the female gives out a loud cry and reacts with aversion towards her partner. The pair then separate.

Gestation lasts nearly two months. Before parturition, the mother prepares a den of grass in an abandoned animal burrow or hollow tree. Litters comprise one to five kittens, typically two to three kittens. Females can raise two litters in a year. Initially blind and helpless, they open their eyes at 10 to 13 days of age and are fully weaned by around three months. Kittens begin to catch their own prey at around six months and leave the mother after eight or nine months. They reach sexual maturity with one year. The lifespan of the Tamoio cat is 14 year.

Another representative of the Genus Austrofelis is the Kaingang cat (Austrofelis kaingang), whose name is the same of the indigenous people that inhabited Southern Brazil during the Holocene. This species lives in the prairies and plains of Southern South America. They have 68 cm of body length, with a tail of 41 cm. Their fur is sand-colored with faint dark spots. It is whitish on the belly, and its legs and tail bear black rings. A subspecies living in the savannas of Central South America (A. k. minor) is slightly smaller and has short fur. The Mapuche cat (Austrofelis mapuche) is the most austral representative of the genus. They share the name with the Mapuche people that inhabited the Southern regions of South America, in Argentina and Chile. This species lives in the forests of the extreme South of the continent. The Mapuche cat has 59 cm of body length, with a 38 cm long tail. Their fur is dense to resist the winter. It's light grey with pale yellowish-ochre hue with small black spots distributed on it. It has narrow black stripes on the back, consisting of five to seven dark transversal lines across the lower back. The belly, chest and throat is white. Its grey tail has seven narrow black rings and a black tip.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9337
Рейтинг: 3
ссылка на сообщение  Отправлено: 08.07.22 17:48. Заголовок: JOrnitho Good cats!..


JOrnitho
Good cats!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 315
Рейтинг: 2
ссылка на сообщение  Отправлено: 09.07.22 17:07. Заголовок: I made the descripti..


I made the description of a tinamou.

Great inamu (Noctotinamus solitarius)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. The genus Noctotinamus, the nocturnal tinamous, is formed by descendants of tinamids that survived the anthropogenic onslaught. All the representatives of this genus developed nocturnal habits. The type species of the genus is the great inamu, an inhabitant of the Atlantic forests of Southeastern South America. Its name comes from the name used by indigenous people of the Brazilian state of Mato Grosso to the tinamids.
The great inamu have 53 cm of length and a wingspan of 71 cm. It has a dark olive-green plumage with a whitish throat and belly. The flanks are barred black, and the undertail is cinnamon. Crown and neck are rufous with a black supercilium. The legs are blue-grey in color and the beak is dark grey. They have large eyes covered with tapetum lucidum that allow them to have a good sight during the night. While they are capable of flying, these birds rarely do it. They prefer to run away from the predators or to use their cryptic plumage as camouflage to hide, with the flight being a last resort.
These birds eats fruit off the ground or low-lying bushes, as well as invertebrates, flower buds, tender leaves, seeds, and roots.
The great inamu is a shy and solitary tinamou. They are nocturnal, spending the day perched in trees. Its high pitched vocalization is common to be heard in the forest at night, but the birds themselves are difficult to be seen. Their vocalization becomes more frequent during the nesting season, which starts during the end of the winter and ends in the end of summer. The nests are usually rudimentary scrapings in the ground, hidden in dense bushes or among buttress roots of trees. This species is polygynandrous, featuring exclusive male parental care. A female will mate with a male and lay an average of four eggs which he then incubates until hatching after 21 days. The eggs are large, shiny, and bright violet in color. He cares for the chicks for approximately 3 weeks before moving on to find another female. Meanwhile, the female has left clutches of eggs with other males. She may start nests with five or six males during each breeding season, leaving all parental care to the males. Their reach sexual maturity with 13 months and have a lifespan of 17 years.
Another representative of this genus is the Amazon inamu (Noctotinamus amazonicus). This species inhabits the "terra firme" forests of the Amazon. This species has 49 cm of body length and a wingspan of 63 cm. It has a yellowish jaw and bluish-gray legs, a dark gray crown and neck, with a whitish throat. The upperparts are slate gray, with black bars. The underparts are lighter brownish-gray. This species has a longer tail compared with the great inamu, giving this species more capacity of flight. Their eggs have a bright greenish-blue shell.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9343
Рейтинг: 3
ссылка на сообщение  Отправлено: 09.07.22 17:30. Заголовок: JOrnitho Good descr..


JOrnitho
Good description!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 319
Рейтинг: 2
ссылка на сообщение  Отправлено: 11.07.22 13:51. Заголовок: What could be more p..


What could be more plausible: a giant (1,90 m of height) descendant of the maguari stork or of a heron? I was thinking that it could have the lifestyle similar to that of a azdarchid pterosaur. It would still be capable of flying.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9351
Рейтинг: 3
ссылка на сообщение  Отправлено: 11.07.22 16:20. Заголовок: JOrnitho I think it..


JOrnitho
I think it should be a descendant of a stork.

 цитата:
lifestyle similar to that of a azdarchid pterosaur


You mean walk on four limbs? Sounds doubtful for a true bird.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 320
Рейтинг: 2
ссылка на сообщение  Отправлено: 11.07.22 18:24. Заголовок: Биолог пишет: You m..


Биолог пишет:

 цитата:
You mean walk on four limbs?


No. I mean regarding their diet. They would still fly, but would hunt small prey in more dry areas. Even visiting sea birds colonies to take chicks and eggs.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9353
Рейтинг: 3
ссылка на сообщение  Отправлено: 11.07.22 18:34. Заголовок: JOrnitho hunt small..


JOrnitho

 цитата:
hunt small prey in more dry areas. Even visiting sea birds colonies to take chicks and eggs


Now this is good!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 321
Рейтинг: 2
ссылка на сообщение  Отправлено: 11.07.22 19:22. Заголовок: I'm in doubt if ..


I'm in doubt if it should be a stork or a heron. Both groups are relatively well in South America, with herons even going to poluted areas to eat trash.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9354
Рейтинг: 3
ссылка на сообщение  Отправлено: 11.07.22 19:40. Заголовок: JOrnitho Well, I st..


JOrnitho
Well, I still think it should be a stork. Human trash will not remain on the Earth for so long - it will be decomposed totally before neocene (25 million years).

Спасибо: 0 
Профиль
JOrnitho



Пост N: 322
Рейтинг: 2
ссылка на сообщение  Отправлено: 11.07.22 21:50. Заголовок: Биолог пишет: Well,..


Биолог пишет:

 цитата:
Well, I still think it should be a stork.


In this case, maybe the ancestor could the jabiru. This species is expanding their distribution, even reaching Southeastern Brazil.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9357
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.07.22 11:27. Заголовок: JOrnitho Yes, jabir..


JOrnitho
Yes, jabiru is a great ancestor.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 323
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.07.22 17:36. Заголовок: I made the descripti..


I made the description of a genus of Thraupidae seedeaters that I mentioned in the description of the descendant of the sparrow.

Common cabocolino, or white-winged seedeater (Neosporophila alboptera)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species and genera. A new genus that appeared was the Neosporophila, a direct descendant of birds of the Genus Sporophila that survived the anthropogenic onslaught. The type species of this genus is the common cabocolino, an inhabitant of open fields and marshy areas with tall grass in tropical South America,  from Amazon to the plains. The word cabocolino was the common name given by the people from the Brazilian states of Pará and Ceará to some Sporophila.

The common cabocolino has 10 cm of length and a wingspan of 32 cm. The males have a mostly cinnamon plumage with tail, rump and coverts black. The primaries and secondaries feathers are white. The females are olive-brown in the upperparts and yellowish-white in the lower parts, such plumage is shared by all females of the genus. Their beak is black while the legs are light gray.

These birds feed mostly on seeds, and occasionally berries and insects. It often forages on herbaceous plants, and less often on the ground.  The common cabocolino will sometimes participate in mixed flocks when foraging.

The common cabocolino is a gregarious bird, forming small flocks when outside of the nesting season. They are monogamous, with the pair staying close to each other even when they are part of flocks. The nesting season starts at the beginning of spring and lasts until the middle of summer, with at least 2 to 3 clutches during this period. Both parents work together to build a cup-shaped nest made of grasses in a bush or a small tree. The female lays 2 to 3 eggs, which are incubated solely by her for 13 days. The male will remain nearby protecting the nest's area from intruders and bringing food for the female. The chicks are fed by both parents. They fledge with 14 days and are still fed by their parents for more two weeks. They reach sexual maturity with 10 months and have a lifespan of 9 years.

Like their ancestors of the genus Sporophila, they have a great evolutive radiation with several species inhabiting different ecosystems of the continent. One of these species is the  thick-billed cabocolino, or thick-billed seedeater (Neosporophila crassirhynchus). This species is endemic to the North areas of South America, from coastal areas to the Northern side of the Amazon river. They have 13 cm of length and a wingspan  of 37 cm. The males have a mostly black plumage, with a chestnut-brown chest and belly. The female has the typical olive-brown plumage of the genus. Their beak is white and thick, allowing them to crush hard seeds that other seedeaters can't. Another representative of the genus is the Southern cabocolino, or Southern seedeater (Neosporophila rufoventer). This species inhabits the plains and prairies of Southern South America, migrating to the savannas in the center of the continent during the winter. They have 10 cm of length and a wingspan of 32 cm. The males have a cinnamon chest with head, rump, wings and tails with blueish-gray. The cerrado cabocolino, or savanna seedeater (Neosporophila savanna) is a species endemic to the savannas of Central South America. They have 11 cm of length with 31 cm of wingspan. The males have chestnut-brown chest and belly, while the rest of the body is black. The white-throated cabocolino, or white-throated seedeater (Neosporophila albogularis) is another species in the genus. They are endemic to the areas of transition between the Savanna and Atlantic forests of Northeastern South America. They have 10 cm of length with 30 cm of wingspan. The males have a cinnamon chest and belly, while the rest of the body is black. They also have a distinctive white throat. Another species of the genus is the collared cabocolino, or collared seedeater (Neosporophila collaris). This bird inhabits the savannas in Northeastern South America. They have 11 cm of length with a 32 cm wingspan. The male has a chestnut belly with the rest of the plumage black and a characteristic white plumage around the neck, similar to a neck. The range of this bird overlaps with the white-throated cabocolino and the cerrado cabocolino, resulting in hybridization.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9359
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.07.22 18:18. Заголовок: JOrnitho Great elab..


JOrnitho
Great elaborate description!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 324
Рейтинг: 2
ссылка на сообщение  Отправлено: 13.07.22 17:55. Заголовок: I finished the descr..


I finished the description of the jabiru's descendant.

Anhanveve, or diabolic stork (Deinociconia gigantea)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species and genera. The anhanveve is one of these new species, a descendant of the jabiru stork (Jabiru mycteria). The name anhanveve is formed by the combination of two words of Guarani origin: aña that means devil and veve that was used for the ability of flying. The anhanveve inhabits all the tropical and subtropical biomes of South America, being capable of living both close and away from water.
The anhanveve is a large stork, with a maximum height of 180 cm and a wingspan of 230 cm. The males are 25% larger than the females. They are also heavier than them. The plumage is mostly white, with the exception of the primaries and secondary feathers that are black. The beak, which measures 35 cm, is black and broad, slightly upturned, ending in a sharp point. The males have a yellow casque on top of the beak that becomes bright during the nesting season. Their long legs are black. The head and upper neck are featherless and black, with a featherless stretchable pouch at the base. The skin of the throat and pouch is bright red.
This bird eats eats fishes, molluscs, insects, other invertebrates and amphibians. However, differently from their ancestors they prefer to search for prey in dry areas. The anhanveve can be seen patrolling savannas in search of food. They are also very predatory, hunting mammals and smaller birds, even visiting colonies of seabirds and aquatic birds to pick eggs and nestlings. They will frequently scavenger, using their size to intimidade and displace smaller scavengers.
The anhanveve can be seen in pairs or small flocks of five to ten individuals. They are monogamous, but the pair stays separated outside of the nesting season, which happens during the dry period. Their courtship consists of several bill-rattling displays and vocalization with their poach. They nest in large colonies, usually close to that of herons and other aquatic birds. The populations of coastal areas will nest close to the nesting areas of seabirds. The nest of sticks is built on tall trees, and enlarged at each succeeding season growing to several meters in diameter. Half a dozen nests may be built in close proximity, sometimes among nests of herons and other birds. The parents take turns incubating the clutch of two to five white eggs and are known to more territorial than usual against other anhanveve during the brooding period. The eggs are incubated for 27 days and fledge within 110 days. They stay with their parents until reaching 3 months. The sexual maturity of the species in reached with 4 years and they have a lifespan of 25 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9362
Рейтинг: 3
ссылка на сообщение  Отправлено: 13.07.22 20:35. Заголовок: JOrnitho Good one, ..


JOrnitho
Good one, but this is unlikely:

 цитата:
a maximum height of 197 cm and a wingspan of 200 cm


An albatross will have a wingspan of 3 m at a body length of about 1,5 m at most. So your stork should either be shorter in height or have larger wings to support its body. If it's not flightless, of course

Спасибо: 0 
Профиль
JOrnitho



Пост N: 325
Рейтинг: 2
ссылка на сообщение  Отправлено: 13.07.22 21:52. Заголовок: Биолог пишет: An al..


Биолог пишет:

 цитата:
An albatross will have a wingspan of 3 m at a body length of about 1,5 m at most. So your stork should either be shorter in height or have larger wings to support its body. If it's not flightless, of course


Ops, my bad! Does 180 cm and 230 cm of wingspan seems plausible?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9365
Рейтинг: 3
ссылка на сообщение  Отправлено: 14.07.22 11:26. Заголовок: JOrnitho 180 cm and..


JOrnitho

 цитата:
180 cm and 230 cm of wingspan seems plausible


Yes, quite so.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 332
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.07.22 04:00. Заголовок: Is possible for a de..


Is possible for a descendant of the cougar to live in the Andes and Andean Plateau with a niche similar to that of the snow leopard? Or the project already have something like that?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9386
Рейтинг: 3
ссылка на сообщение  Отправлено: 20.07.22 09:22. Заголовок: JOrnitho I believe ..


JOrnitho
I believe I've mentioned all of the Andean mammals from Bestiary, so there is a free niche for the cougar, if it is not extinct in neocene. Extinction is possible, as with tigers and lions and leopards, and other large felines.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 333
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.07.22 15:21. Заголовок: Биолог пишет: I bel..


Биолог пишет:

 цитата:
I believe I've mentioned all of the Andean mammals from Bestiary, so there is a free niche for the cougar, if it is not extinct in neocene.


I was reading the Bestiary and found the Andean raptor cat, a descendant of the cougar living in the mountains. I think that it could be the feline predator of the chapter. Also, maybe the mountain tapirotherium could appear too.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9387
Рейтинг: 3
ссылка на сообщение  Отправлено: 20.07.22 17:01. Заголовок: JOrnitho Oops. I mi..


JOrnitho
Oops. I missed the cat! Maybe because it is an additional species to a main one within a new genus.
But the tapirotherium already is placed in a chapter (namely, 52 "Shadow of Wings on the Grass"), so it is unlikely to be included by the Author in another one. But can be mentioned in the chapter's text.

P.S. I've added the Andean raptor cat to the chapter's bestiary.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 334
Рейтинг: 2
ссылка на сообщение  Отправлено: 21.07.22 00:42. Заголовок: Биолог пишет: But c..


Биолог пишет:

 цитата:
But can be mentioned in the chapter's text.


Yes, I was thinking that could be this way.
Also, I had some ideas for birds of the Andean Plateau: a descendant of the burrowing owl, a species of passerine and a hummingbird.
Another animal that could appear is the Andean rapacious parrot, a species that I posted in the Psittacids topic.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9389
Рейтинг: 3
ссылка на сообщение  Отправлено: 21.07.22 12:00. Заголовок: JOrnitho Good ideas..


JOrnitho
Good ideas! I will add the Andean rapacious parrot to the bestiary.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 337
Рейтинг: 2
ссылка на сообщение  Отправлено: 21.07.22 18:56. Заголовок: Биолог пишет: Good ..


Биолог пишет:

 цитата:
Good ideas! I will add the Andean rapacious parrot to the bestiary.


Thanks! I'll start to work on their description.
Also, can I make a species of raptor cat that inhabits the Atlantic forests of South America, rather than the open areas? It could appear in the chapter.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9395
Рейтинг: 3
ссылка на сообщение  Отправлено: 21.07.22 20:29. Заголовок: JOrnitho Yes, you c..


JOrnitho
Yes, you can, there are more felines in South American forests that do not yet have descendants in neocene.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 339
Рейтинг: 2
ссылка на сообщение  Отправлено: 21.07.22 23:53. Заголовок: Биолог пишет: Yes, ..


Биолог пишет:

 цитата:
Yes, you can, there are more felines in South American forests that do not yet have descendants in neocene.


Then there could be a descendant of the jaguarundi. If the jaguarete also live on this area, these two felines could have the same relationship that the jaguar and puma had in South America, with the two avoiding each other by focusing in different food niches. This descendant of the jaguarundi could feed in smaller and agile prey.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9397
Рейтинг: 3
ссылка на сообщение  Отправлено: 22.07.22 11:53. Заголовок: JOrnitho Yes, why n..


JOrnitho
Yes, why not. Also, the Leopardus genus (ocelot, oncilla etc.) can have descendants.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 340
Рейтинг: 2
ссылка на сообщение  Отправлено: 22.07.22 14:27. Заголовок: Биолог пишет: Yes, ..


Биолог пишет:

 цитата:
Yes, why not.


Then, I'll also make this description. It could appear in Atlantic forest chapter, as one of the dangers that the Tamoio cat needs to avoid.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9400
Рейтинг: 3
ссылка на сообщение  Отправлено: 22.07.22 17:38. Заголовок: JOrnitho OK...


JOrnitho
OK.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 346
Рейтинг: 2
ссылка на сообщение  Отправлено: 24.07.22 17:48. Заголовок: I finished the descr..


I finished the description of the descendant of the jaguarundi for the chapter about the Atlantic forest.
Also I was thinking that there could be some herbivore in the chapter to be its prey. What could be more plausible, a descendant of the domestic sheep, or a relative of the giant paca (Megapaca)?

Eyra (Eyrailurus pantheroides)
The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. The jaguarundi (Herpailurus yagouaroundi) proved to be resilient enough to survive the anthropogenic onslaught. In North America it gave origin to the balam and in South America they gave origin to the eyra. The name eyra was used by indigenous people of Brazil to name the jaguarundi, but was also associated with the tayra (Eira barbara). The eyra inhabits the Atlantic forests of South America, both lowland and highland. They also inhabit the areas of Araucaria forests. Part of their range is shared with the jaguarete, but they avoid competition by taking different prey.
From nose to tail tip, the male eyra is 150 cm. The female is smaller, with 130 cm of length. If compared to the jaguarete, the eyra is less muscular and not as powerfully built. The coat is uniformly colored with at most a few faint markings on the face and the belly, though kittens are spotted for a short duration. Their fur is mostly dark gray with a grizzled look due to bright and dark rings on individual hairs.
The eyra is a generalist, hypercarnivore. They prefer small to medium sized prey, avoiding the large prey that are prefered by the jaguarete. When these two species interact, the eyra will flee, even abandoning their prey. They will hunt reptiles, small rodents, fishes, monkeys, birds and deermaras. Although capable of sprinting, the eyra is typically an ambush predator. It stalks through brush and trees, across ledges, or other covered spots, before delivering a powerful leap onto the back of its prey and a suffocating neck bite. They are capable of breaking the neck of some of its smaller prey with a strong bite and momentum bearing the animal to the ground.
Like almost all felines, the eyra is a mostly solitary animal. Only mothers and kittens stay together, with adults meeting rarely. While generally loners, they will reciprocally share kills with one another and organize themselves into small communities defined by the territories of dominant males. The animals within these areas socialize more frequently with each other than with outsiders. Male home ranges include or overlap with those of females but not with those of other males. Home ranges of females overlap slightly. Males create scrapes composed of leaves and duff with their hind feet, and mark them with urine and sometimes feces.
The eyra can reproduce during the entire year. Females reach sexual maturity at the age of 18 months to three years and are in estrus for about eight days of a 23-day cycle and the gestation period is approximately 91 days. Both adult males and females may mate with multiple partners and a female's litter can have multiple paternities. Only females are involved in parenting. Litter size is between one and six cubs, with two being more common. Caves and other alcoves that offer protection are used as litter dens. Born blind, cubs are completely dependent on their mother at first, and begin to be weaned at around three months of age. As they grow, they begin to go out on forays with their mother, first visiting kill sites, and after six months beginning to hunt small prey on their own. Kitten survival rates are just over one per litter. Juveniles remain with their mothers for one to two years. When the females reaches estrous again, their offspring must disperse or the male will kill them. Males tend to disperse further than females. They have a lifespan of 16 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9414
Рейтинг: 3
ссылка на сообщение  Отправлено: 24.07.22 18:38. Заголовок: JOrnitho Good eyra!..


JOrnitho
Good eyra!
About its prey, there are large rodents there, it will not starve

Спасибо: 0 
Профиль
JOrnitho



Пост N: 348
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.07.22 14:03. Заголовок: Биолог пишет: About..


Биолог пишет:

 цитата:
About its prey, there are large rodents there, it will not starve


I mean, for him to hunt in the chapter.
I was thinking that the barbets that I mentioned for the War for the Hollows could have strong beaks and legs to dig the soil of cliffs to make their nest. They would partially fill the niche of toucans. What do you think?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9416
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.07.22 18:21. Заголовок: JOrnitho I mean, fo..


JOrnitho

 цитата:
I mean, for him to hunt in the chapter.


Actually I was joking These include striped tree porcupine, myriyutherium, jakarawa and barocavia. Of these, the striped tree porcupine is in Bestiary, the other three are already in chapters.

 цитата:
I was thinking that the barbets that I mentioned for the War for the Hollows could have strong beaks and legs to dig the soil of cliffs to make their nest. They would partially fill the niche of toucans. What do you think?


I think they can. Also, they are very beautiful birds. Toucan-type birds living in cliff burrows? Sounds interesting!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 349
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.07.22 18:51. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think they can. Also, they are very beautiful birds. Toucan-type birds living in cliff burrows? Sounds interesting!


They are very beautiful! These descendants of the barbets could have colorful feathers with dull beaks, differently of ttue toucans.
Also, I was thinking that the chapter "War of the Hollows" could introduce a subfamily trochilids that is heavily specialized to steal nectar. They would have beaks capable of doing small cirurgical holes in flowers and then introduce their long and thin tongue to extract it. What do you think? They can also have other adaptations for that criminal lifestyle.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9417
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.07.22 10:52. Заголовок: JOrnitho Also, I wa..


JOrnitho

 цитата:
Also, I was thinking that the chapter "War of the Hollows" could introduce a subfamily trochilids that is heavily specialized to steal nectar. They would have beaks capable of doing small cirurgical holes in flowers and then introduce their long and thin tongue to extract it.


The hummingbirds (Trochilidae) have very weak beaks, too weak to drill through petals. Also, why would they need to drill? This would be OK for some type of entirely closed flowers that cannot be cross-pollinated in a way other than some animal drilling or gnawing through its petals (or self-pollinated). And this looks unlikely.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 350
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.07.22 14:57. Заголовок: Биолог пишет: The h..


Биолог пишет:

 цитата:
The hummingbirds (Trochilidae) have very weak beaks, too weak to drill through petals. Also, why would they need to drill? This would be OK for some type of entirely closed flowers that cannot be cross-pollinated in a way other than some animal drilling or gnawing through its petals (or self-pollinated). And this looks unlikely.


I had this idea after reading some articles about cases of hummingbirds that developed this strategy to have easy access to nectar. They do it frequently in flower with longer corolla.
My idea was that these hummingbirds would haver short beaks with thin tips to pierce the petals. While they still can reach nectar in short flowers, they will practice nectar robbery in longer ones. Such practice would be more common than that of their ancestors, with them visiting the longer flowers more frequently.
These links are of images of how I thought that these thief hummingbirds could do it.

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTIt81N5hwX4CCZFdb3E5Xs1s3x_efF8R99hw&usqp=CAU
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTZqQNQON0gpHaNZkFVnrmv-rypl_UZ4GhmLw&usqp=CAU

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9418
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.07.22 18:28. Заголовок: JOrnitho OK, I agre..


JOrnitho
OK, I agree then. I am not a trained ornithologist, ya know Then, the idea is good! But still we already have almost a dozen species of hummingbirds in neocene - just go to the Index and press Ctrl-F for "Find on page" (or use the same command on the smartphone/iphone browser), then type in "Trochilidae" and tap Enter.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 351
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.07.22 19:16. Заголовок: Биолог пишет: OK, I..


Биолог пишет:

 цитата:
OK, I agree then. I am not a trained ornithologist, ya know


I never paid much atention to hummingbirds until I started to read some articles about them recently. Then I found out about their nectar robbery.

Биолог пишет:

 цитата:
But still we already have almost a dozen species of hummingbirds in neocene - just go to the Index and press Ctrl-F for "Find on page" (or use the same command on the smartphone/iphone browser), then type in "Trochilidae" and tap Enter.


Well, South America have thousands of hummingbirds in the Holocene, but I understand if the species that already exist are good enough. I only though that could be interesting to have these flying thieves.
By the way, I finished the description of more animals for the chapter about the Andes.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9419
Рейтинг: 3
ссылка на сообщение  Отправлено: 27.07.22 11:48. Заголовок: JOrnitho Good descr..


JOrnitho
Good descriptions!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 352
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.07.22 01:06. Заголовок: Here is other two de..


Here is other two descriptions for the "War of the Hollow" chapter. One is of the toucan-like barbet and the other is about a species of bee that vould be a rival of the striped honey bees.

Скрытый текст


Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9421
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.07.22 11:58. Заголовок: JOrnitho Very good!..


JOrnitho
Very good!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 361
Рейтинг: 2
ссылка на сообщение  Отправлено: 31.07.22 16:53. Заголовок: I finished the descr..


I finished the description of the other two birds for the chapter "War for the Hollows".

Скрытый текст


Спасибо: 0 
Профиль
JOrnitho



Пост N: 387
Рейтинг: 2
ссылка на сообщение  Отправлено: 10.08.22 23:39. Заголовок: I made the descripti..


I made the description of another bird for the chapter about the Atlantic forest. It could be prey for the Tamoio cat.

Southern night tapaculo (Nyctoscytalopus soricioides)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. Among the survivors were tapaculos (Rhinocryptidae). Representatives of this family survived in the Atlantic forests of South America and continued to evolve. In the Neocene, they gave rise to the Genus Nyctoscytalopus, the night tapaculos. The type species of this genus is the Southern night tapaculo, an inhabitant of the Atlantic lowland forests of Southeastern South America.
The Southern night tapaculo is a tiny bird, having 11 cm of length and 23 cm of wingspan. Their plumage in the upperparts is dark gray, while in the lower parts it's dark brown. They have large eyes with well developed tapetum lucidum that are suitable for their nocturnal lifestyle. Their beak and legs are dark gray.
This species forages during the night on the ground for insects, spiders, and centipedes. All representatives of this genus are birds of the understory of the forest, rarely leaving it. They are fast, moving swiftly in the ground like a shrew. During the day, these birds rest in small cavities.
The Southern night tapaculo is a monogamous species, with the male and female forming pairs for life. It nests in natural cavities in the ground or on fallen logs. It makes its nest in the form of a sphere made of material found in the vicinity of the couple's territory, such as roots, small twigs, lichens and others. The female lays 2 white eggs that incubated solely by her for 17 days. The chicks are feed by both parents. They fledge with 23 days, but remain with the parents for more 4 weeks. They reach sexual maturity with 3 months and have a lifespan of 5 years.
Another representative of the Genus Nyctoscytalopus is the Northern night tapaculo (Nyctoscytalopus minor), an inhabitant of the Atlantic forests in Northeastern South America. They have a similar plumage to that of their Southern relative, but are smaller, having 10 cm of length and 20 cm of wingspan. The highland Atlantic forests in the Southeast have an endemic species, the Serra night tapaculo (Nyctoscytalopus montanus). Differently of their lowland relatives, this species have light brown underparts. They have 12 cm of length and 24 cm of wingspan.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9485
Рейтинг: 3
ссылка на сообщение  Отправлено: 11.08.22 10:48. Заголовок: JOrnitho Good bird!..


JOrnitho
Good bird!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 388
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.08.22 00:06. Заголовок: I made the descripti..


I made the description of another genus of bird.

Golden-fronted erythrophonia (Erythrophonia flavifrons)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. The Genus Erythrophonia originated from species of Euphonias that survived the anthropogenic onslaught. The golden-fronted erythrophonia is the type species of this genus. It inhabits the canopy of the Atlantic forest of South America.

The golden-fronted erythrophonia have 12 cm of length and 21 of wingspan. The male has entirely bright red underparts from the throat to vent save. The upperparts are a dark blue-black except for the yellow crown patch which extends from the bill over the head to just past the eye. The female, like most representatives of this genus, is dull olive above and pale red below. In both sexes, the bill and legs are gray.

It’s one of the best imitators among the South American birds. A single male can manifest in a few minutes in the voice of 10 to 16 different bird species. They are perfect imitations, but translated to their own reduced vocal strength. The repertoire of the golden-fronted erythrophonia becomes a faithful copy of the avifauna of the region in which it lives. Such characteristic is shared by all representatives of the Genus.

They eat small fruit and berries, particularly mistletoe. Insects can be consumed occasionally, being more frequent when they have chicks.

They are social birds, forming flocks of 7 to 20 individuals. Pairs are monogamous, and stay together year round. Both parents build a globular nest of dried grass and stems, lined with finer material and with a side entrance. The female lays three to four cream-colored, brown-splotched eggs, which she alone incubates for 15 days. They have 2 to 3 broods during the nesting season, which starts during the end of winter. Both parents feed the hatched chicks. The chicks fledge within 20 days. Sexual maturity is reached with 12 months and they have a lifespan of 8 years.
The Genus Erythrophonia have other representatives. The black-throated erythrophonia (Erythrophonia amazonica) replaces the golden-fronted erythrophonia in the Amazon rainforest. This bird is more common in varzea forests and areas that are flooded during the monsoon. They have 11 cm of length and 20 cm of wingspan. The male of this species have a red belly and chest, with the rest of the plumage being dark blue-black, including the throat. They also have a small yellow patch over their beak. The female is similar to the other species. Another representative is the red-crowned erythrophonia (Erythrophonia estemmenorubrus), an inhabitant of the woodlands and gallery forests of Central South America. This bird has 9 cm of length and 19 cm of wingspan. The male is similar to that of the golden-fronted erythrophonia, with the exception of having red plumage on the crown. The last member of this genus is the Andean erythrophonia (Erythrophonia andina), a bird endemic to the cloud forests at the slopes of the Andes. They have 10 cm of length and 21 cm of wingspan. The adult male has glossy olive upperparts, a yellow forehead, and a bright red belly. The adult female has less glossy upperparts than the male, a yellow crown and a small rufous belly patch.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9490
Рейтинг: 3
ссылка на сообщение  Отправлено: 12.08.22 10:18. Заголовок: JOrnitho Good bird!..


JOrnitho
Good bird!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 389
Рейтинг: 2
ссылка на сообщение  Отправлено: 14.08.22 15:27. Заголовок: I was thinking about..


I was thinking about the swifts and nightjars of South America. Do you think that they could have developed some different lifestyle from that of their ancestors? For example, I was thinking in a species of nightjar, which males have a pair of long tail covert feathers that they use in courtship rituals.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9497
Рейтинг: 3
ссылка на сообщение  Отправлено: 14.08.22 19:25. Заголовок: JOrnitho Swifts and..


JOrnitho
Swifts and nightjars catch their prey (insects) in the air, in flight. So, long tail feathers will interfere with fast maneuverable flight. But nightjars can have decorative feathers on their wings, like these:
https://en.wikipedia.org/wiki/Standard-winged_nightjar
https://en.wikipedia.org/wiki/Pennant-winged_nightjar

Спасибо: 0 
Профиль
JOrnitho



Пост N: 390
Рейтинг: 2
ссылка на сообщение  Отправлено: 14.08.22 21:11. Заголовок: Биолог пишет: So, l..


Биолог пишет:

 цитата:
So, long tail feathers will interfere with fast maneuverable flight.


Well, South America already have a species of long tailed nightjar
https://en.m.wikipedia.org/wiki/Long-trained_nightjar
My idea was a possible descendants of this bird that also developed these long feathers, but with different shapes and sizes.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9498
Рейтинг: 3
ссылка на сообщение  Отправлено: 15.08.22 07:50. Заголовок: JOrnitho Ah, I see!..


JOrnitho
Ah, I see! I did not know about that species. OK, the idea's good!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 395
Рейтинг: 2
ссылка на сообщение  Отправлено: 17.08.22 15:23. Заголовок: I made the descripti..


I made the description of another genus of bird.

Rufous-bellied choca, or rufous-bellied antshrike (Neothamnophilus rufus)

The human actions during the Holocene caused the decline of many species. However some species survived and in the Neocene they gave rise to new species. One of these new species is the rufous-bellied choca, the type species of the Genus Neothamnophilus. The direct ancestors of these birds were Thamnophilus antshrikes that survived the anthropogenic onslaught during the Holocene. The word choca was the popular name of several representatives of their ancestral genus. The rufous-bellied choca lives in the lowland Atlantic forests of South America.

The rufous-bellied choca have 15 cm of length and a wingspan of 32 cm. This species, like all the members of this genus, is sexually dismorphic. The male is dark gray with a black crown and a rufous belly. They also have black wings, with white spots in the coverts. The female is completely rufous, with the exception of the crown and wings that are dark brown and lack spots in the coverts.

This species is insectivorous, feeding on insects and other arthropods that are captured in low vegetation and on the ground.

The rufous-bellied choca lives singly or in pairs, often with dense undergrowth. Breeding is seasonal, starting during the spring and continues through the summer. The nest is a woven cup, generally placed rather low. Both sexes incubate 2 to 3 eggs. The incubation lasts for 10 days, taking 12 days for the chicks to fledge. They remain with their parents for three more weeks. Sexual maturity is reached with 6 months and they have a lifespan of 7 years.

The genus Neothamnophilus has other representatives. One of them is the stripped choca (Neothamnophilus striatus), an inhabitant of the woodlands and gallery forests of Central South America. This species has 13 cm of length and a wingspan of 32 cm. The male is black with several white stripes on the belly. They also have white spots in the coverts. The female is pale gray, with the exception of the crown and wings that are black. The Amazon choca (Neothamnophilus amazonicus) is another representative of this genus. Living in the understory parts of "terra firme" forests in the Amazon, this species have 14 cm of length and a wingspan of 31 cm. The male is black with a white belly. They also have brown wings, with white spots in the coverts. The female is completely gray, with the exception of the wings that are dark brown. The Agreste choca (Neothamnophilus minor) is endemic to the transition areas between arid savanna and Atlantic forest located in Northeastern South America. The word agreste was used in Brazil to name this region. These birds have 13 cm of length and a wingspan of 30 cm. The male is brown with a black crown and a black belly. They also have black wings, with white spots in the coverts. The female is completely light brown, with the exception of the crown and wings that are gray.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9506
Рейтинг: 3
ссылка на сообщение  Отправлено: 17.08.22 19:15. Заголовок: JOrnitho OK, good o..


JOrnitho
OK, good one! I add it to the catalogue and the chapter bestiary.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 396
Рейтинг: 2
ссылка на сообщение  Отправлено: 18.08.22 23:56. Заголовок: Would be interesting..


Would be interesting if a genus if Amazonic piprids was formed due to the hybridization among close related species during the Holocene? Cases of hybrids happen in this family, with even a species, the golden-crowned manakin (Lepidothrix vilasboasi), having originated this wayclick here. Perhaps with the reduction of the Amazon rainforest during the Holocene, some of these birds ended "inprisoned" in these small forested areas what increased their chances of hybridization.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9510
Рейтинг: 3
ссылка на сообщение  Отправлено: 19.08.22 08:54. Заголовок: JOrnitho Good idea!..


JOrnitho
Good idea! It would be the first descendant of a hybrid in neocene project!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 397
Рейтинг: 2
ссылка на сообщение  Отправлено: 19.08.22 14:37. Заголовок: Yes, they could also..


Yes, they could also have genes of other close related species, the result of more hybridization during the end of the Holocene.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9511
Рейтинг: 3
ссылка на сообщение  Отправлено: 19.08.22 20:34. Заголовок: JOrnitho Yes, no pr..


JOrnitho
Yes, no problem. I meant that before this idea of yours, no hybrids were present in Neocene as holocenic ancestors. It was initially based on "pure species", sometimes peculiarly moved to other, more or less remote locations (see the Baikal beaked dolphin), but never genetically crossed with their relatives.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 398
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.08.22 06:10. Заголовок: Биолог пишет: Yes, ..


Биолог пишет:

 цитата:
Yes, no problem. I meant that before this idea of yours, no hybrids were present in Neocene as holocenic ancestors.


Ah, right. Do you have sugestions for the name of the genus? I was thinking that they would have a typical manakin "dance" and iridescent blue feathers in the crown.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9512
Рейтинг: 3
ссылка на сообщение  Отправлено: 20.08.22 10:04. Заголовок: JOrnitho Wow, beaut..


JOrnitho
Wow, beautiful pre-description! The name... Maybe, traditionally (for neocene) based on local words for manakins and that iridescence?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 399
Рейтинг: 2
ссылка на сообщение  Отправлено: 20.08.22 14:29. Заголовок: Since their Brazilia..


Since their Brazilian common name, Tangara, is already the genus of other species, maybe their name could be atacaran (from the Tupi ata:walk/arã:around) or saltarin (a Castellan name). Which name seems better?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9515
Рейтинг: 3
ссылка на сообщение  Отправлено: 20.08.22 18:17. Заголовок: JOrnitho Atacaran s..


JOrnitho
Atacaran seems OK.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 400
Рейтинг: 2
ссылка на сообщение  Отправлено: 21.08.22 04:50. Заголовок: I finished the descr..


I finished the description of the manakin. I also made one about a forest falcon that could appear in the chapter about the Atlantic forest. I plan to give it some edits and add other species to the genus.

Crested singing falcon (Canorofalco cristatus)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. The laughing falcon (Herpetotheres cachinnans) was a widespread species that lived in mostly of tropical South America. It had survived the degradation of the environment by humans and gave rise to the genus Canorofalco, the singing falcons. Its members are restricted to humid tropical and subtropical forests, with the type species, the crested singing falcon, inhabiting the Atlantic forests of Northeastern and Southeastern South America.

The crested singing falcon has 53 cm of length and a wingspan of 84 cm. Like most birds of prey, the female is heavier than the male. The adults have a gray back and wings. The breast and belly are white. The head has a broad black face mask that stretches across the neck as a narrow collar, bordered with white. They have a cinnamon crest that can be erected when they are excited or trying to intimidate an adversary. The tail is black with a white tip and a white band in the middle. In flight, they have a shape closer to a hawk than most of its falcon relatives, with short, rounded wings and a long tail. The legs and beak are yellow.

This species feeds primarily upon small birds, mammals (mainly rodents and marsupials) and squamates. They often hunt prey by sitting quietly on tree branches and waiting for their victims to appear. When the prey arrives, the forest falcons quickly ambush them, attempting to catch them with a brief, flying pursuit.

As their name says, the crested singing falcon is a very vocal bird. Their vocalization can be heard during the entire day, with pairs doing duets. They do not build a nest, but lay their two or three white eggs in cavities in trees. Laying occurs mainly late in the dry season, with hatching taking place at the onset of the rainy season, a time of increasing prey abundance. Eggs hatch 34 days after being laid, and nestlings fledge 42 days after hatching. Fledglings disperse from their parents' territories within four to seven weeks after fledging, achieving independence at that time. Nesting territories are occupied year after year. They reach sexual maturity with three years and have a lifespan of 18 years.



Sapphire-crowned saltarin (Atacaran splendidus)

The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene.The golden-crowned manakin (Lepidothrix vilasboasi), a species with a hybrid origin between the opal-crowned manakin and snow-capped manakin (Lepidothrix vilasboasi), survived the anthropogenic onslaught by finding refuge in inaccessible areas of the Amazon rainforest.

There, this species continued to evolve, giving rise to the Genus Atacaran, from the Tupi tata: walk and arã:around. It’s a reminder of the courtship display made by the males, which is several jumps. It also has genes of other Lepidothrix birds that ended up stranded in these forests and hybridized to a lesser extent with the golden-crowned manakin.

When the forest started to recover, this genus spread to other areas of the rainforest. The type species is the sapphire-crowned saltarin, an inhabitant of the “terra firme” rainforests understory of the Amazon Basin. The word saltarin is from Castellan language and refers to the male’s jumps during courtship.

The sapphire-crowned saltarin is a small bird, they have 9 cm of length. Like all the manakins, all the representatives of the genus are sexually dismorphic. The male have bright green feathers in their upperparts, while the underparts are bright orange. They have a blue crown, which is the result of structural colors produced by different nanostructural organizations of the feather barb keratin matrix. Their secondary feathers are bright yellow. The female is mostly dull green, with a pale yellow in the belly. They lack the blue crown.

Blue-crowned manakins are frugivores. Their diet includes fruit from Melastomataceae, Moraceae, Bromeliaceae, and Araceae. They can participate in mixed flocks, with their preferred food being arthropods, including ants, flies, and other small insects. While catching arthropods, their hunting technique was often a sally-strike or sally-glean off of live foliage.

Breeding season coincides with the dry season. Males form leks of up to seven males. Adult and juvenile males form territories though juveniles are unable to maintain their own territory. Their territories range from 209 to 5050 m² in size. They defend their territory and attract mates through song. They perform their songs on song perches that are horizontal or slightly angled twigs. Their display courts are 3–5 m in diameter and are located close to the ground in the open understory. They use up to two courts at a time, but courts can change location annually. Their courtship consists of the males constantly jumping around the female. They’ll bow to her, showing their blue crowns and opening their wings to reveal their yellow primaries. Female's home ranges overlap with one lek on average.
Sapphire-crowned saltarin make simple, open-cup nests using dry palm, dry leaves, andbark externally. The internal lining of their nest is pale brown, but can also be whitish or yellow. They use spider webs to secure their nests to the tree. They chose small shrubs and treelets that are less than 1 meter tall and place their nests on horizontal forks. Females are the sole nest builders and take care of their offspring alone. They lay two eggs per clutch. She incubates them for 19 days. The chicks fledge within 21 days, but remain being fed by the mother for more than three weeks. Sexual maturity is reached with 7 months and they have a lifespan of 8 years, but males are killed by predators before that.
The Sapphire-rumped saltarin (Atacaran serrana) is another representative of this genus. This species inhabits the forests in mountainous areas of the Amazon, replacing the sapphire-crowned saltarin in these areas. They have 8,5 cm of length. The plumage of the males is similar to that of their relatives, with the exception of their bright blue rump and white primaries and secondaries.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9518
Рейтинг: 3
ссылка на сообщение  Отправлено: 21.08.22 09:59. Заголовок: JOrnitho Both are g..


JOrnitho
Both are good!

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9527
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.08.22 10:13. Заголовок: JOrnitho By the way,..


JOrnitho
By the way, you mentioned birds of hornero family in Indian ocean islands topic. Do you think horneros can become social and build community nests, like sociable weaver of Africa? Would be interesting!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 406
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.08.22 12:11. Заголовок: Биолог пишет: Do yo..


Биолог пишет:

 цитата:
Do you think horneros can become social and build community nests, like sociable weaver of Africa?


I think that it's possible. How do you see the form of these nests? Maybe something like this one, but more elaborated? Or do you have something different in mind?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9528
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.08.22 13:44. Заголовок: JOrnitho How do you..


JOrnitho

 цитата:
How do you see the form of these nests? Maybe something like this one, but more elaborated?


I think it could be just like the one on your image, but higher, up a tree trunk, about 10 storeys or so, and more than one "pillar" side by side! But it can also be in horizontal rows on tree branches (thick enough to hold them, of course), probably in 2-3 storeys in this case.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 407
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.08.22 15:06. Заголовок: Биолог I like the id..


Биолог
I like the idea of them making pillars, similar to a building with apartments. Maybe these birds can make their nests at the same time, with pillars being attached to the sides of each other. Also, the walls of the nests would need to be thick to sustain the weight.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9529
Рейтинг: 3
ссылка на сообщение  Отправлено: 25.08.22 20:51. Заголовок: JOrnitho Yes, quite..


JOrnitho
Yes, quite possible. Can you describe the bird? Then, I'll try and help you to describe parasites and/or commensals of their nests, or maybe predators like snakes or birds of prey that would hunt them. Just imagine a chapter named kinda "A Stone Condominium"!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 408
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.08.22 21:29. Заголовок: Биолог пишет: Can y..


Биолог пишет:

 цитата:
Can you describe the bird?


Of course!

Биолог пишет:

 цитата:
Then, I'll try and help you to describe parasites and/or commensals of their nests, or maybe predators like snakes or birds of prey that would hunt them. Just imagine a chapter named kinda "A Stone Condominium"!


I like this idea! It could happen in gallery forests in central South America, an area where horneros used to live in the Holocene. We could have "posseiros" (individual who occupies vacant or abandoned land and starts to cultivate it) or invaders in these "apartments".

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9530
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.08.22 08:40. Заголовок: JOrnitho Yes! I agr..


JOrnitho
Yes! I agree.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 409
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.08.22 16:45. Заголовок: Биолог I finished t..


Биолог

I finished the description of the bird. What do you think? You can give suggestions of other species for the genus.
We can start to talk about the other species that can appear on this chapter.

White-throated obrero (Sociofurnarius albogullaris)
In the Neocene, several new species appeared. While some of them were morphologically similar to their ancestors of the Holocene, they developed habits that were far different from them. An example is the genus Sociofurnarius, the obrero birds. The name obrero means worker in Spanish. These birds are direct descendants of the horneros and like their ancestors, they build their nests as structures made of mud and other materials. However, different from them, these birds are very gregarious, forming flocks of 20 or more individuals. Such lifestyle reflects also in the construction of their nests, with these individuals working together to make large structures that resemble a building with apartments. The type species of the genus is the white-throated obrero, an inhabitant of the savannas and gallery forests of Central South America.
The white-throated obrero has 15 cm of length and 37 cm of wingspan. Like all the furnariids, their plumage has different shades of brown. Their upperparts and wings are reddish-brown, while the underparts and tail are light brown. They have black stripes around their eyes and a white throat. The legs and beak are pale gray.
These birds feed on insects and other arthropods obtained by foraging on the ground while walking. They forage in flocks, with birds of other species following them. Songs in the white-throated obrero are sexually distinct. The rapid trill that is usually heard as part of the duet is faster in the male, slower in the female, and both beat their wings at their sides while singing and the wings beat at the same rate as their trill.

The white-throated obrero breeds in the austral summer. The species is monogamous and the pair bond is long term, sometimes for life. The nest of the species is typical for the genus, the breeding pairs of the flock make their nests one over the other, giving it the appearance of a building with each nest entrance being a floor. Such structures can have at least five "floors", but other "buildings" are made close to each other, which make the entire "building" look like a wall with several holes. These nests are built in tree branches or over large rocks. Pairs remain together throughout the year and will work on the nest during that time. The first nests to be built will be those in the base of the "building". Those are usually made by the oldest birds in the flock and its construction influences the others to start their own. A clutch generally contains two to four eggs. The eggs are laid every second day and incubated for 14–18 days. Chicks are fed for 23–26 days before fledging; young birds remain in the parental flock, but can disperse to others around 6 months after fledging. Both parents incubate eggs and feed the young. Obreros may or may not reuse nests, therefore it is quite common to see several abandoned "buildings". However, a formerly unused nest may be repaired for a new breeding season. They reach sexual maturity with 9 months and have a lifespan of 12 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9531
Рейтинг: 3
ссылка на сообщение  Отправлено: 26.08.22 17:57. Заголовок: JOrnitho Great! So ..


JOrnitho
Great! So we got started!

 цитата:
We can start to talk about the other species that can appear on this chapter.


I think yes, but I must think on what parasites or commensals could be there.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 410
Рейтинг: 2
ссылка на сообщение  Отправлено: 27.08.22 16:21. Заголовок: Биолог I was thinkin..


Биолог
I was thinking that there could be a species of dwarf falcon that nest in the apartments that were left vacant and end protecting the entire colony against predators. Perhaps a descendant of the Falco sparvevirus

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9535
Рейтинг: 3
ссылка на сообщение  Отправлено: 27.08.22 17:52. Заголовок: JOrnitho Good idea!..


JOrnitho
Good idea!

 цитата:
dwarf falcon


It can be named the dwarf kestrel, taking into account the ancestor you mentioned, eh? But how small will it be? The size of a sparrow or of a common starling?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 411
Рейтинг: 2
ссылка на сообщение  Отправлено: 27.08.22 18:17. Заголовок: Биолог пишет: It ca..


Биолог пишет:

 цитата:
It can be named the dwarf kestrel, taking into account the ancestor you mentioned, eh? But how small will it be? The size of a sparrow or of a common starling?


It's a good name! Given the necessity of it needing to stay inside the nest of the obrero, I think that it could have the size of a sparrow, between 14 and 18 cm. Due to this size, I think that it would hunt more arthropods than other vertebrates, only if they are small enough to be captured.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9537
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.08.22 11:53. Заголовок: JOrnitho OK, I agre..


JOrnitho
OK, I agree!
I found information that horneros are hosts for nest parasitism of the shiny cowbird. Maybe we can have a descendant of the cowbird as a nest parasite of obrero?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 412
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.08.22 12:00. Заголовок: Биолог пишет: Maybe..


Биолог пишет:

 цитата:
Maybe we can have a descendant of the cowbird as a nest parasite of obrero?


Good idea! Sometime ago I posted the description of the paradise false-cuckoo in this topic, maybe I could edit it to make it be a descendant of the cowbird. Then we could use it in the chapter.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9538
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.08.22 12:36. Заголовок: JOrnitho Better mak..


JOrnitho
Better make a separate species.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 413
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.08.22 15:36. Заголовок: Биолог пишет: Bette..


Биолог пишет:

 цитата:
Better make a separate species.


Ok! With the obreros nesting in colonies, I think that this nest parasite would need a strategy to approach their nests without being chased off. Do you have ideas of how it could happen?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9543
Рейтинг: 3
ссылка на сообщение  Отправлено: 28.08.22 17:16. Заголовок: JOrnitho But that c..


JOrnitho
But that could happen just when both hosts of the nest are out, couldn't it? And if you mean chasing by the hosts of neighbouring nests, the parasite can just mimic the host by its appearance.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 414
Рейтинг: 2
ссылка на сообщение  Отправлено: 28.08.22 21:12. Заголовок: Биолог пишет: And i..


Биолог пишет:

 цитата:
And if you mean chasing by the hosts of neighbouring nests, the parasite can just mimic the host by its appearance.


Good idea. The female of this icterid could be similar to a obrero, perhaps even mimicking its vocalization. This way it could avoid being targeted by the other birds of the flock.
By the way, I finished the description of the kestrel.

Utiaritimirim, or dwarf kestrel (Falco nanus)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. The American kestrel (Falco sparverius) had survived in South America, where it gave rise to the utiaritimirim, the dwarf kestrel. His name is formed by two words: utiari, a name given by the Pareci people of Rondônia to the bird's ancestor, and by mirim, which means small in Guarani. The utiaritimirim is a relatively common bird of prey, inhabiting the open areas of South America. Birds that live in Southern areas migrate to the savannas in the center of the continent during the winter.
The utiaritimirim, having between 14 to 18 cm of length and a wingspan of 50 cm, can be considered one of the smallest species of falcon in the Neocene. Like other birds of prey, the female is larger than the male. Beyond the difference of size, their plumage also show sexual dysmorphism. The male is reddish-brown in the crown and back, with a dark brown band between it and the white rump. The wing coverts and tail are also dark brown. The females have dark brown crowns, back, tail and wing coverts. Both sexes have white faces, but the male has a black malar strip that is absent in the female. The wing feathers are black, while the chest is cream with dark marks. The tail has white bands. Both the beak and legs are yellow.
The species feeds mainly on insects and smaller birds. The proportions of insects and birds in the diet may vary according to availability. They are great hunters of dragonflies, attacking the insects with great agility, but it’ll take other insects such as bees, butterflies, grasshoppers, and beetles. The utiaritimirim's primary mode of hunting is by perching and waiting for prey to come near. It also hunts by kiting, hovering in the air with rapid wing beats and scanning the ground for prey. Other hunting techniques include low flight over fields, or chasing insects and birds in the air. Before striking, the kestrel characteristically bobs its head and tail, then makes a direct flight toward the prey to grab it in its talons.
Utiaritimirins are sexually mature by their first spring. In migratory populations, the males arrive at the breeding ground before females, then the female selects a mate. Pair bonds are strong, often permanent. Pairs usually use previous nesting sites in consecutive years. This gives birds an advantage over younger or invading individuals, as they would already be familiar with the hunting grounds, neighbors, predators, and other features of the site. Males perform elaborate dive displays to advertise their territory and attract a mate. These displays consist of several climbs and dives, with three or four "kirií" calls at their peaks. Females are promiscuous for about one to two weeks after their arrival at the nesting site. Food transfers from the male to the female occur from about four to five weeks prior to egg laying to one to two weeks after.
These birds are cavity nesters, but they are able to adapt to a wide variety of nesting situations. They generally prefer natural cavities with closed tops and tight-fitting entrances that provide for maximum protection of the eggs and young. However, they will nest in holes created by large woodpeckers, or use the abandoned nests of other birds, such as those made by the white-throathed obrero or other funarids. The obrero tolerates the presence of these birds of prey in their colony because utiaritimirins will repel any predator that tries to approach their territory, this way protecting the other birds that are nesting near it. Even if they are small, these kestrels are aggressive and can cause wounds with their sharp talons.
Three to seven eggs are laid approximately 24–72 hours apart. The eggs are white to cream in color with brown or grey splotching. Incubation usually lasts 30 days and is mainly the responsibility of the female, although the male incubates for some brief periods of time. Eggs that are lost are typically replaced in 11 days. Hatching takes place over three to four days. Hatchlings are altricial, and are only able to sit up after five days. They grow rapidly, reaching an adult weight after 14 days. After 28 days, their wings have developed and they are able to leave the nest. The young adult utiaritimirim may breed from a year old, and the species has approximately a lifespan of six years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9550
Рейтинг: 3
ссылка на сообщение  Отправлено: 29.08.22 08:25. Заголовок: JOrnitho Good one!..


JOrnitho
Good one!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 415
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.08.22 11:47. Заголовок: Биолог I'll star..


Биолог
I'll start to work in the description of the nest parasite. Do you have more ideas about the other animals that could appear in the chapter? Maybe some plants could be here too.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9554
Рейтинг: 3
ссылка на сообщение  Отправлено: 30.08.22 15:03. Заголовок: JOrnitho I've m..


JOrnitho
I've mentioned a snake that could prey on obreros and/or their eggs and chicks.
And by parasites I was meaning the invertebrates, primarily insects, of course. Maybe, a member of "chewing lice" (Menoponidae)?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 416
Рейтинг: 2
ссылка на сообщение  Отправлено: 30.08.22 21:08. Заголовок: Биолог пишет: I'..


Биолог пишет:

 цитата:
I've mentioned a snake that could prey on obreros and/or their eggs and chicks.
And by parasites I was meaning the invertebrates, primarily insects, of course. Maybe, a member of "chewing lice" (Menoponidae)?


Both are good ideas. Maybe the snake could be a descendant of the Boa.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9556
Рейтинг: 3
ссылка на сообщение  Отправлено: 31.08.22 08:08. Заголовок: JOrnitho Yes, I agr..


JOrnitho
Yes, I agree.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 418
Рейтинг: 2
ссылка на сообщение  Отправлено: 01.09.22 05:34. Заголовок: I finished the descr..


I finished the description of the cowbird. I'll work in the one of the snake. Can you make the one for the Menoponidae?

Godelo (Molothrus mimus)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. The shiny cowbird (Molothrus bonariensis) survived the anthropogenic onslaught and in the Neocene gave rise to a new species, the godelo. This word was used as the name of their ancestor in some regions of Brazil. Like their ancestors, the godelo is an obligate brood parasite, laying its eggs in the nests of many other bird species such as the white-throated obrero. This species inhabits most of tropical South America, being more common in open areas.
The godelo has 17 cm of length with a wingspan of 32 cm. This species is sexually dismorphic, the male is black with purple-blue iridescent feathers. The females have reddish-brown upperparts and pale brown underparts. Their appearance is similar to that of an obrero. This characteristic, together with their ability of mimicking the song of other birds, allow them to approach their colonies to lay eggs without being attacked by these furnarids. This ability isn’t only used with obreros, but also to scare other hosts from their nests. To do that they will copy the vocalization of birds of prey. The beak and legs are dark gray.
This species has an omnivorous diet, feeding mainly on insects and seeds, but occasionally eats fruits and flowers. It can also feed on ticks in large mammals.
The godelo do not form monogamous pairs. They have a promiscuous mating system where individuals will copulate with many different mates. During courtship, the male performs a song while circling a female, and when the song is finished they bow to their prospective mate. This bow is a display used in both mating rituals and as a show of aggression toward other males. It consists of the male ruffling his feathers while arching his wings and lowering his tail. The display is performed either on the ground, in a tree, or while flying. Following a successful mating display, the pair will copulate once.
These birds are obligate brood parasites, with adult females laying their eggs in the nests of other species and their offspring relying entirely on their hosts for parental care. They are generalists, and have several different host species, including the white-throated obrero. As a host generalist, their young are non-mimetic, meaning they do not attempt to replicate the behaviours of host chicks like a host specialist species might.
Female godelos do not build nests, as they rely on their hosts to care for their offspring, but they will preferentially select hosts that build enclosed nests such as nests built in cavities. They will look for host nests both actively, and by silently watching for hosts. When a host nest is found, they will flush the host away from the nest by noisily flying around the area. When dealing with the obrero, the female will wait until the nest is left unattended to approach it. Individual godelos may lay their eggs across many different nests. They reach sexual maturity with 6 months and they have a lifespan of 9 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9560
Рейтинг: 3
ссылка на сообщение  Отправлено: 01.09.22 09:30. Заголовок: JOrnitho Good descr..


JOrnitho
Good description!
Yes, I'll make the parasite later.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 420
Рейтинг: 2
ссылка на сообщение  Отправлено: 01.09.22 21:27. Заголовок: I finished the descr..


I finished the description of the snake.

Boiuna (Boa boiuna)
The human actions during the Holocene caused the decline of many species. However the species that were resilient enough survived, with their descendants now living in the Neocene. The Boa constrictor had survived the anthropogenic onslaught and gave rise to a new species, the boiuna. This word was the name given to a giant snake of Brazilian folklore. The boiuna inhabits all the tropical and subtropical biomes of South America, from forests to savannas.
The boiuna is a large constrictor snake. It can reach between 91 and 400 cm in length. Clear sexual dimorphism is seen in the species, with females generally being larger in both length and girth than males. Their color is similar to that of their ancestors, generally a brown, gray, or cream base color, patterned with reddish-brown "saddles". The tail is dark brown, being different from the reddish-brown color present in their ancestors.
Their prey includes a wide variety of small to medium-sized mammals and birds. The bulk of their diet consists of rodents, but larger lizards and mammals as big as monkeys and ungulates are also consumed. Young boiuna eat small mice, birds, bats, lizards, and amphibians. The size of the prey item increases as they get older and larger.
Boiunas are ambush predators, so they often lie in wait for an appropriate prey to come along, then they attack. However, they can actively hunt, particularly in regions with a low concentration of suitable prey, and this behavior generally occurs at night. The snake first strikes at the prey, grabbing it with its teeth; it then proceeds to constrict the prey until death before consuming it whole. Unconsciousness and death likely result from shutting off vital blood flow to the heart and brain, rather than suffocation. Their teeth also help force the animal down the throat while muscles then move it toward the stomach. It takes the snake about 4 to 6 days to fully digest the food, depending on the size of the prey and the local temperature. After this, the snake may not eat for a week to several months, due to its slow metabolism.
This species generally lives on their own and does not interact with any other snakes unless they want to mate. They are nocturnal, but they may bask during the day when night-time temperatures are too low. As semi-arboreal snakes, young boiunas may climb into trees and shrubs to forage; however, they become mostly terrestrial as they become older and heavier. They strike when they perceive a threat. Like all snakes, boiunas in a shed cycle are more unpredictable, because the substance that lubricates between the old skin and the new makes their eyes appear milky, blue, or opaque so that the snake cannot see very well, causing it to be more defensive than it might otherwise be.
These snakes are viviparous, giving birth to live young. They generally breed in the dry season and are polygynous; thus, males may mate with multiple females. Half of all females breed in a given year, and a larger percentage of males actively attempt to locate a mate. Due to their polygynous nature, many of these males will be unsuccessful. As such, female boiunas in inadequate physical condition are unlikely to attempt to mate, or to produce viable young if they do mate.
During the breeding season, the female emits pheromones from her cloaca to attract males, which may then wrestle to select one to breed with her. During breeding, the male curls his tail around the female's and the hemipenes are inserted. Copulation can last from a few minutes to several hours and may occur several times over a period of a few weeks. After this period, ovulation may not occur immediately, but the female can hold the sperm inside her for up to one year. When the female ovulates, a midbody swell can be noticed that appears similar to the snake having eaten a large meal. The female then sheds two to three weeks after ovulation, in what is known as a post-ovulation shed which lasts another 3 weeks, which is longer than a normal shed. The gestation period, which is counted from the post ovulation shed, is around 100–120 days. The female then gives birth to a litter of 10 to 65 young. The young are independent at birth and grow rapidly for the first few years, shedding once every one to two months. At 4 years, boiunas become sexually mature and reach the adult size, but continue to grow at a slow rate for the rest of their lives. This species has a lifespan of 20 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9563
Рейтинг: 3
ссылка на сообщение  Отправлено: 02.09.22 07:49. Заголовок: JOrnitho Very good ..


JOrnitho
Very good snake!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 422
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.09.22 15:47. Заголовок: Besides the snake, d..


Besides the snake, do you think that there could be more predators appearing in the chapter? There could also be other species of animals using the obrero nests. Some time ago, I had the idea of a tiny omnivorous bat living in South America. Their size would be close to that of a modern bumblebee bat. Maybe they could make nests inside empty nests, them appearing in the chapter. Also, I was thinking that the copper jacumitan, a species that I proposed sometime ago, could appear as one of the species living near the tree where the colony is located.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9568
Рейтинг: 3
ссылка на сообщение  Отправлено: 03.09.22 20:31. Заголовок: JOrnitho I like the..


JOrnitho
I like the idea of a small bat!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 424
Рейтинг: 2
ссылка на сообщение  Отправлено: 04.09.22 15:55. Заголовок: I finished the descr..


I finished the description of the tiny bat.

Southern guandira, or Southern dwarf leaf-nosed bat (Guandira minima)
Ordem: Chiroptera
Family:Phyllostomidae
The human actions during the Holocene caused the decline of many species. Those that survived could evolve into new and different forms. A new genus that appeared in the Neocene was the Guandira, the dwarf leaf-nosed bats of the two Americas. The word guandira was used by indigenous people of Brazil as a name for bats. The type species of this genus is the Southern guandira, an inhabitant of tropical South America, living in both forests and open areas.
The Southern guandira is a tiny bat, barely reaching 2,8 cm of length and having a wingspan of 12 cm.  It occurs in both reddish-brown and yellowish-brown color morphs. The populations living in the forests are reddish-brown, while those in savannas are yellowish-brown. It has soft velvety fur, which is short on the back. The dorsal fur is dark brown. The fur on the underside is pale and appears frosted due to the silvery-gray tip of each hair. The head is large with a relatively big snout and a large, well-developed, and elliptical noseleaf with a free horseshoe. The ears and noseleaf, along with the skin membrane on the forearm, tibia, metacarpals, and phalanges are pale brown, contrasting with the dark blackish patagium. The tragus (a projection in front of the ear) is dark gray, while the feet and uropatagium are dark brown. The propatagium extends to the first thumb phalanx, while the wing membrane extends to the base of the thumbs. The tail membrane has a slightly hairy central notch and the tail is absent. It has a total of 30 teeth.
This species is mainly a frugivore, feeding on a wide variety of fruit. However, it'll supplement their diet with small insects. They will feed of large fruits by cutting the peel with their sharp teeth.The presence of these bats in a territory can be identified by the fruits marked with their bites.
Due to their tiny size, these bats are preyed by several species. Owls, falcons, snakes, predatory bats and even large nyctibids are among the predators of these small mammals.
During the day, Southern guandiras will rest inside rock crevices and tree holes. Their diminutive size allows them to use holes in bamboos and abandoned nests of furnarids, such that of obreros. There can be twenty individuals inside these dens. It has a brief activity period, leaving its roost for only some minutes in the evening and at dawn. These short flights are easily interrupted by heavy rain or cold temperatures.
This bat is a seasonal breeder which breeds twice a year in both the wet and dry season.  The females give birth to a single offspring. During feeding periods, the young either stays in the roost or remains attached to the mother at one of her two vestigial pubic nipples. It reaches sexual maturity with 2 months and have a lifespan of 3 years.
Another representative of the genus is the Northern guandira (Guandira grandis), an inhabitant of the tropical forests of North America, reaching the Florida Peninsula. The fur and wing membranes are light brown in color, with dark shoulder spots. They are large than their Southern relatives, with 3,2 cm of length and a wingspan of 13 cm.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9579
Рейтинг: 3
ссылка на сообщение  Отправлено: 04.09.22 19:42. Заголовок: JOrnitho Good bat!..


JOrnitho
Good bat!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 429
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.09.22 17:47. Заголовок: Биолог I was thinkin..


Биолог
I was thinking if we could have a predator for the bats appearing in the chapter. It could be or a large bat or a nightjar. Which one seems more interesting?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9589
Рейтинг: 3
ссылка на сообщение  Отправлено: 05.09.22 18:47. Заголовок: JOrnitho The nightj..


JOrnitho
The nightjar's beak and claws seem too weak to catch, kill and tear apart a prey. Even so small as your bat. And nightjars are too deeply speciaized on small insects. So, a large predatory bat (like holocenic greater bulldog bat, or the fishing bat) has more chances!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 431
Рейтинг: 2
ссылка на сообщение  Отправлено: 05.09.22 21:12. Заголовок: Биолог пишет: So, ..


Биолог пишет:

 цитата:
So, a large predatory bat (like holocenic greater bulldog bat, or the fishing bat) has more chances!


Then it'll be bat. I already have a name for it: Jurupari, a nocturnal demon from the indigenous people of Brazil

Спасибо: 0 
Профиль
медведь





Пост N: 365
Рейтинг: 1
ссылка на сообщение  Отправлено: 05.09.22 21:24. Заголовок: The nightjar's b..



 цитата:
The nightjar's beak and claws seem too weak to catch, kill and tear apart a prey. Even so small as your bat. And nightjars are too deeply speciaized on small insects.


But there already are large predatory nightjars in the Neocene- merlette and the hawk potoo.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 432
Рейтинг: 2
ссылка на сообщение  Отправлено: 06.09.22 00:36. Заголовок: медведь пишет: But ..


медведь пишет:

 цитата:
But there already are large predatory nightjars in the Neocene- merlette and the hawk potoo.


Yes. I thought that the hawk potoo could be a predator of the tiny bat. Int this case it would be a predatory nyctibid.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9594
Рейтинг: 3
ссылка на сообщение  Отправлено: 06.09.22 07:58. Заголовок: медведь OK, but mak..


медведь
OK, but making something new is more interesting than repeating or remaking pre-existing things, eh?

Спасибо: 0 
Профиль
медведь





Пост N: 366
Рейтинг: 1
ссылка на сообщение  Отправлено: 06.09.22 11:52. Заголовок: Of course! I just sa..


Of course! I just said that it is not completely impossible.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 433
Рейтинг: 2
ссылка на сообщение  Отправлено: 06.09.22 23:11. Заголовок: I finished the descr..


I finished the description of the predatory bat.

Jurupari, or Demonic spectral bat (Vampyrum jurupari)
The human actions during the Holocene caused the decline of many species. Those that survived could continue with their evolution. The jurupari is a direct descendant of the spectral bat (Vampyrum spectrum), one of the survivors of the anthropogenic onslaught of the Holocene. Their name is that of a nocturnal demonic entity of several South American mythologies. This species of bat inhabits the tropical regions of South America.
The jurupari can be considered one of the largest bats of South America, with 30 cm of length and a wingspan of 125 cm. Each of its thumbs has a large, recurved claw that is grooved, similar to those of cats. Its back fur is reddish-brown, long, and soft, while its belly fur is shorter and paler. The forearm is furred on the half closer to the body, but naked on the half closer to the wrist and fingers. It has a robust skull and teeth, with which it delivers a powerful bite to kill its prey.
The jurupari is exclusively carnivorous, consuming birds, rodents, and other species of bat. Additionally, it consumes some insects such as beetles. It carries prey items back to its roost to consume, discarding unwanted parts such as bird feathers, bat wings, and rodent tails. They use echolocation to navigate, creating short pulses of ultrasound at relatively low frequencies. Such characteristics are suited for maneuvering around obstacles while flying low to the ground. It stalks the prey and then lands on it from above, securing the prey by hooking it with its sharp thumb claws. It kills its prey by delivering a forceful bite to the skull.
Like their ancestors, the jurupari are monogamous. Colonies consist of an adult male and female and their offspring. The adult male will bring food back to the roost to provision them. Colonies generally roost in tree hollows, though individuals may roost in caves.
It is a seasonal breeder, with females giving birth at the end of the dry season or the beginning of the rainy season. The litter size is one individual, with offspring called "pups." The mother is very attentive and gentle with her offspring. The male is often in attendance as well and will frequently sleep with both the female and their young completely wrapped up in his wings. They reach sexual maturity with 8 months and have a lifespan of 6 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9598
Рейтинг: 3
ссылка на сообщение  Отправлено: 07.09.22 10:15. Заголовок: JOrnitho Good bat!..


JOrnitho
Good bat!

Спасибо: 0 
Профиль
медведь





Пост N: 369
Рейтинг: 1
ссылка на сообщение  Отправлено: 07.09.22 13:20. Заголовок: Interesting! But mod..


Interesting! But modern spectral bats prey primarily on birds that have a strong odor, such as trogons, cuckoos and motmots. Therefore, it may have stronger sense of smell than most other bats. I think its descendant will retain that ability.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9601
Рейтинг: 3
ссылка на сообщение  Отправлено: 07.09.22 20:29. Заголовок: медведь I think you..


медведь
I think you can be right, but remember that bats catch odorless insects using the echolocation only. Just as dolphins do underwater - dolphins lack olfaction (smell sense) at all!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 434
Рейтинг: 2
ссылка на сообщение  Отправлено: 07.09.22 23:07. Заголовок: Биолог пишет: I thi..


Биолог пишет:

 цитата:
I think you can be right, but remember that bats catch odorless insects using the echolocation only. Just as dolphins do underwater - dolphins lack olfaction (smell sense) at all!


I think that this bat could use both these senses to hunt prey. It would depend of what they are hunting.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9602
Рейтинг: 3
ссылка на сообщение  Отправлено: 08.09.22 08:31. Заголовок: JOrnitho Yes, sure!..


JOrnitho
Yes, sure! I agree.

Спасибо: 0 
Профиль
медведь





Пост N: 372
Рейтинг: 1
ссылка на сообщение  Отправлено: 08.09.22 15:16. Заголовок: Биолог I think you c..


Биолог

 цитата:
I think you can be right, but remember that bats catch odorless insects using the echolocation only.


But the spectral bat is a fairly large bat, and I have read that there is an upper size limit for terrestrial echolocators. As the spectral bat is close to that limit, its echolocation is not so effective as with smaller bats you mentioned. For that reason, they supplement their echolocation with good sense of smell.
Besides, I did not say that the jurupari would lose its ability to echolocate. I just said that it would be useful for it to retain its ancestor´s sense of smell.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9604
Рейтинг: 3
ссылка на сообщение  Отправлено: 08.09.22 20:11. Заголовок: медведь Of course, ..


медведь
Of course, the olfaction is a good additive to echolocation. I can also add that oilbirds (guacharo) use echolocation in their caves, but feed on fruit found in the woods at night by olfaction.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 435
Рейтинг: 2
ссылка на сообщение  Отправлено: 09.09.22 15:49. Заголовок: Besides these specie..


Besides these species, do you have more ideas for other animals that could appear in the chapter?

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9606
Рейтинг: 3
ссылка на сообщение  Отправлено: 09.09.22 18:32. Заголовок: JOrnitho Speaking o..


JOrnitho
Speaking of oilbirds (guacharo), do you think they will survive holocene and give descendants in neocene?

Спасибо: 0 
Профиль
JOrnitho



Пост N: 437
Рейтинг: 2
ссылка на сообщение  Отправлено: 10.09.22 15:06. Заголовок: Биолог пишет: Speak..


Биолог пишет:

 цитата:
Speaking of oilbirds (guacharo), do you think they will survive holocene and give descendants in neocene?


I think that it's possible. Maybe they could survive in inaccessible parts of the Amazon rainforest.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9610
Рейтинг: 3
ссылка на сообщение  Отправлено: 10.09.22 16:46. Заголовок: JOrnitho Quite so, ..


JOrnitho
Quite so, but they will still need caves.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 440
Рейтинг: 2
ссылка на сообщение  Отправлено: 10.09.22 23:42. Заголовок: Биолог пишет: but t..


Биолог пишет:

 цитата:
but they will still need caves.


Of course. I think that they would not be much different from their ancestors.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 457
Рейтинг: 2
ссылка на сообщение  Отправлено: 03.11.22 19:26. Заголовок: Do you think that wo..


Do you think that would be possible for the screamers (Chauna) develop a less aquatic lifestyle? They would forage in open areas of savannas and occasionally visiting freshwater reservoirs.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9742
Рейтинг: 4
ссылка на сообщение  Отправлено: 04.11.22 11:00. Заголовок: JOrnitho Why not? Q..


JOrnitho
Why not? Quite possible.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 458
Рейтинг: 2
ссылка на сообщение  Отправлено: 12.11.22 17:13. Заголовок: I finished the descr..


I finished the description of the southern screamer's descendant.


Crowned screamer (Chauna coronata)
Many biomes changed in the Neocene. In South America, the great wetlands of the Pantanal disappeared, being replaced by savannas. The species that lived here were forced to adapt or would become extinct. The Southern screamer (Chauna torquata) became adapted to these changes. Its descendant, the crowned screamer, is now capable of surviving in the savannas of Central South America, while occasionally visiting shallow lakes and rivers.

The crowned screamer is one of the largest flying birds of southern South America, measuring 95 cm in length. Their flat wing measures 60 cm and the tail is 26 cm. They are stout bodied with a disproportionately small head and a "chicken-like" grayish brown bill. The sexes have the same plumage. Their head and upperparts are black with a velvety white "collar" around the base of the neck. Their wings and tail are dark brown and the wing has two sharp spurs at its manus, which are longer than that of their ancestors. The front of their neck, their breast, and their sides are pale gray mottled and streaked with black. Their belly is unmarked white. Their legs and feet are red. Their main characteristic is a crown made up of long white feathers with black tips arising from the nape.

This species feeds on leaves, stems and seeds that it collects in the grasslands of the savannas where it lives. Occasionally, they will also visit shallow lakes and rivers to eat aquatic plants. They usually graze like geese, but can also dig for food. Flocks of up to about 100 forage together in the non-breeding season.

The crowned screamer forms long-term pair bonds that in some cases last for life. Males and females court with mutual preening and duet calling. They build a large nest of sticks and reeds on trees and often nest in about the same location for several years. The typical clutch size is three to five eggs but can be up to seven. Both parents incubate the eggs and care for the young. The incubation period is 43 days, with the chicks leaving the nest immediately after hatching, jumping from the trees. The fleding occurs eight to ten weeks after hatch and the young are independent after about 12 weeks. This species reach sexual maturity with one year and have a lifespan of 13 years.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9782
Рейтинг: 4
ссылка на сообщение  Отправлено: 12.11.22 20:36. Заголовок: JOrnitho Welcome ba..


JOrnitho
Welcome back (after a pause) and thanks for your new good species!

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 124
Рейтинг: 1
ссылка на сообщение  Отправлено: 12.11.22 19:59. Заголовок: Good bird. Not very ..


Good bird. Not very interesting or unusal, but realistic.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9781
Рейтинг: 4
ссылка на сообщение  Отправлено: 12.11.22 20:34. Заголовок: лягушка Wow, thanks..


лягушка
Wow, thanks for your participation here! We are still too short of English-speaking participants to develop our English-language version.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 459
Рейтинг: 2
ссылка на сообщение  Отправлено: 14.11.22 21:02. Заголовок: лягушка пишет: Good..


лягушка пишет:

 цитата:
Good bird. Not very interesting or unusal, but realistic.



Thanks! I try to not make an animal that is too unusual because it can end not plausible.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9799
Рейтинг: 4
ссылка на сообщение  Отправлено: 15.11.22 11:45. Заголовок: JOrnitho Unusual do..


JOrnitho
Unusual does not mean impossible, and that's where probability works

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 143
Рейтинг: 1
ссылка на сообщение  Отправлено: 15.11.22 20:38. Заголовок: Okay. It's good ..


Okay. It's good direction of describing - I also use it (instead of electric salamander - it's very strange). But I think thar being very strict with that is also not very good - usual species thar likes modern too much are boeing.

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9804
Рейтинг: 4
ссылка на сообщение  Отправлено: 16.11.22 12:32. Заголовок: лягушка I think it&..


лягушка
I think it's not bad: I made a social ant-like cockroach, based on real prerequisites to such development.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 460
Рейтинг: 2
ссылка на сообщение  Отправлено: 24.11.22 15:09. Заголовок: I think that the mos..


I think that the most different animal that I proposed was the sea lion-like descendant of the American mink introduced in South America. To make it, I followed the logic of how the pinnipeds evolved from similar animals.
By the way, do you think that there could be a shark being the top predator in the Southern ocean?

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 183
Откуда: Таллапнуджир, Ribbit-Ква, кувшинка номер ###
Рейтинг: 1
ссылка на сообщение  Отправлено: 24.11.22 16:33. Заголовок: 1)Minks and otters c..


1)Minks and otters can evolve in "pseudo-pinniped" forms, but i think that they'te won's spread wordwidely because of concurention with gannetwhales and orher seal-like beings - it will be small, local group.
2)Why not? A lot of small sharks survived exctinction. I thing some species of Triakidae are best ancestors - they're small, liveable and prosperious in Sourhern hemisphere.
Ps: what happens with me??? This message isn't sending!

Спасибо: 0 
Профиль
JOrnitho



Пост N: 461
Рейтинг: 2
ссылка на сообщение  Отправлено: 24.11.22 21:33. Заголовок: лягушка пишет: Mink..


лягушка пишет:

 цитата:
Minks and otters can evolve in "pseudo-pinniped" forms, but i think that they'te won's spread wordwidely because of concurention with gannetwhales and orher seal-like beings - it will be small, local group.


Yeah, this species is limited to the cold waters of Southern South America.

Спасибо: 0 
Профиль
Автор
Из скромности умолчу.




Пост N: 5637
Откуда: Россия, Владимир
Рейтинг: 32
ссылка на сообщение  Отправлено: 25.11.22 08:03. Заголовок: JOrnitho пишет: thi..


JOrnitho пишет:

 цитата:
this species is limited to the cold waters of Southern South America


So, don't forget about the existence of this one: http://www.sivatherium.narod.ru/enmammal.htm#pseudolutra_ayapuh_en
Your species must have pronounced ecological differences with this aquatic rodent to evolve and fill its own ecological niche without any competition.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 462
Рейтинг: 2
ссылка на сообщение  Отправлено: 25.11.22 13:00. Заголовок: Автор пишет: Your s..


Автор пишет:

 цитата:
Your species must have pronounced ecological differences with this aquatic rodent to evolve and fill its own ecological niche without any competition.


I'm aware of the ayapuh. This descendant of the mink would be larger and hunt at the open sea, seeking nectonic fish and squids. I was thinking that they would also eat the penguingulls and even the ayapuh, like how sea lions do it with penguins.

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 184
Откуда: Таллапнуджир, Ribbit-Ква, кувшинка номер ###
Рейтинг: 1
ссылка на сообщение  Отправлено: 24.11.22 22:34. Заголовок: Okay..


Okay

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 187
Откуда: Таллапнуджир, Ribbit-Ква, кувшинка номер ###
Рейтинг: 1
ссылка на сообщение  Отправлено: 25.11.22 15:33. Заголовок: Good. Ayapuh is "..


Good. Ayapuh is "otter", pinniped mink is "seal".

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9837
Рейтинг: 4
ссылка на сообщение  Отправлено: 26.11.22 10:45. Заголовок: лягушка Interesting..


лягушка
Interesting discussion, guys! I agree with JOrnitho.

Спасибо: 0 
Профиль
JOrnitho



Пост N: 463
Рейтинг: 2
ссылка на сообщение  Отправлено: 26.11.22 14:57. Заголовок: Here is the animal&#..


Here is the animal's description:

Lobo-marino (Paraotaria odontoacuta)
During the Holocene, humans had caused several impacts on the environment. Among their actions was the introduction of exotic species. The American mink (Neogale vison) was one of the species that were introduced from their ancestral land in North America to several other continents, among them was South America. These animals were used in the fur industry, but a great number of individuals fled or were released. They were not only capable of surviving the transition of the Holocene to the Neocene, but also to evolve into new species, taking advantage of the demise of other animals to fill their niches.
The lobo-marino is a descendant of the American mink that were introduced to South America. Their name means "sea wolf" in Spanish and was used in the Holocene as a common name of the fur seals. This species is a semi-aquatic predator that has filled the niche left by the sea lions and fur seals. It inhabits Southern South America, from Tierra del Fuego to Northern Chile in the Pacific coast, to Southern Brazil in the Atlantic coast.
These mammals are sexually dysmorphic. The male is larger and more robust than the female. He has an average size of 185 cm, with some reaching nearly 200 cm. The female barely surpasses 160 cm. The male also has long upper canines, which can protrude from the upper lips in older individuals. Their body is elongated and flexible, with a dog-like head with small ears. They have strong jaws with sharp teeth, which are capable of leaving great wounds in their prey. This species has limbs modified into flippers, similar to that of an Otariidae of the Holocene. Like them, the lobo-marino is also more mobile on land. When swimming, these animals use their four flippers to give propulsion underwater. All these characteristics could pass them as a descendant of the pinnipeds, but these are only cases of convergent evolution. The only characteristic that differs from true seals is the presence of a stubby, 15 cm long tail. The pelage is thick and luxuriant, being light tawny on the females and young males, becoming dark brown in older males. Both sexes have pale underparts.
The lobo-marino is carnivorous, feeding on fish, squid and krill. They take long, offshore foraging trips, but sometimes can hunt near the coast. They can also eat seabirds, such as penguingulls, and the rodent Ayapuh. The females and young males prefer to hunt smaller prey, while the adult males hunt mostly the large ones. When hunting penguingulls, the lobo-marino patrols the waters near the breeding colonies, almost completely submerged, waiting for the birds to enter the ocean. It kills the swimming bird by grabbing its feet, then shaking it vigorously and beating its body against the surface of the water repeatedly until the bird is dead. The Ayapuh is killed by these mammals with a bite on their necks. The largest of the males is also capable of killing a newborn algocetus.
While they spend most of their time on the sea, these animals establish territories at the coast where they rest. The males will have a large territory. They are very territorial, fighting fiercely against males that try to invade. These fights can be violent, with deep wounds being left due to their large canines. The females don’t have a fixed territory, being able to move around the territory of the males. They are more sociable, even forming small groups in beaches or rocky areas. Such agglomerations are more common when they have cubs and during the winter. In the winter, the dominant male will occasionally participate in these groups to get warm.
The mating season of the lobo-marino starts at the end of the autumn. During this period, the females will start to reunite in groups to get warmer during the night due to the temperature falling. Such groups are usually formed in the center of the territory of a dominant male. With most of the females together in only one place, the male will come in search of those that are fertile. The male will do it for 3 weeks, copulating with most of the receptive females that he can find. Is during this period that other males that don’t have territories try to approach females, resulting in fights.
The gestation lasts from the end of the autumn to the beginning of the spring. During this period the females disperse in search of safe locations where they can give birth. These places usually are caves or large rock crevices, any place where the females can enter and the predators will not be able to have access to the cubs. Some females can enter estuaries, reaching freshwater in search of such locations. The female gives birth to one or two cubs. They are born with closed eyes that open one day after birth. The ears take a bit longer, opening three days after they are born. The females remain with the cubs for ten days, after that they start to go forage at the sea.
After one month, the pups already are capable of swimming and the mother will guide them out of the den where they were born toward the groups of females that start to form during these periods. Differently of the groups formed during the winter, these are smaller and only have mothers and their pups. While the females go search for food, the young remain together in crèches. Pups are weaned after a year, at this point they are already capable of living alone. If they are female, their mother will tolerate their presence. However, the males are aggressively expelled by the mother, being forced to have an errant life until they are able to secure their own territory in the coast. The sexual maturity of this species is reached with 5 years and they have a lifespan of 36 years. However, few reach this age. Many males are killed in territorial fights, while individuals of both sexes are eaten by large sharks, such as the sea onza

Спасибо: 0 
Профиль
Биолог
Прильнувший к микроскопу




Пост N: 9844
Рейтинг: 4
ссылка на сообщение  Отправлено: 27.11.22 10:35. Заголовок: JOrnitho But lobo-m..


JOrnitho
But lobo-marino is already present in the catalogue, you posted it back in June this year:
http://sivatherium.borda.ru/?1-7-1654509817110-00000014-000-100-0#024

Спасибо: 0 
Профиль
JOrnitho



Пост N: 464
Рейтинг: 2
ссылка на сообщение  Отправлено: 27.11.22 17:09. Заголовок: Биолог пишет: But l..


Биолог пишет:

 цитата:
But lobo-marino is already present in the catalogue, you posted it back in June this year:


My bad! I forgot that I had posted it already, there are too many things in my mind these days.
I'll compensate by thinking in a new species, one that I didn’t post already. Maybe an insular species of deermara? Besides Great Antigua and Fernando de Noronha, there is any other island close to Neocenic South America where such animal could live?

Спасибо: 0 
Профиль
лягушка
moderator




Пост N: 198
Откуда: Таллапнуджир, Ribbit-Ква, кувшинка номер ###
Рейтинг: 1
ссылка на сообщение  Отправлено: 26.11.22 16:58. Заголовок: Very good!..


Very good!

Спасибо: 0 
Профиль
Ответов - 300 , стр: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 All [только новые]
Тему читают:
- участник сейчас на форуме
- участник вне форума
Все даты в формате GMT  3 час. Хитов сегодня: 465
Права: смайлы да, картинки да, шрифты да, голосования нет
аватары да, автозамена ссылок вкл, премодерация откл, правка нет