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Gretcheniao

Izina risobanura: “Gretchen's bird”3 1

Yaryaga: InyamaInyoni za mbereKiretase ya mbere

Gretcheniao was a small, feathered bird that lived about 125 million years ago in what is now China. It had strong teeth and sharp claws, and it probably hunted for food on the ground. This bird could fly, but not for very long distances!3 2

Yabayeho

hashize imyaka miliyoni 126 kugeza 1203

Kiretase ya mbere

Ibisigazwa byabonetse muri

Fossils were found in the Yixian Formation, near Huludao City in Liaoning Province, China.3 1

Uburebure

0,3 kugeza 0,5 m (1 kugeza 1,6 ft)1

Uburemere

0,19 kg kugeza 0,282 kg (0 kugeza 1 lb)1

Ubutumburuke

0,23 m (0,8 ft)

igereranya

Umuvuduko wo hejuru

nka 35 km/h (22 mph)

Kuguruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Ubutumburuke bwayo bwanganaga iki?

igereranya

Yari iremereye ite?

iremereye nk'imineke 2,5

ndende nk'imineke 3 ikurikiranyeyoroheje kurusha injangwe yo mu rugondende nk'ibikinisho 16 byo kubaka bikurikiranyento ku buryo yanyura munsi y'intebeyashoboraga kuguruka ikambuka ikibuga cyose cy'umupira w'amaguru mu masegonda 11

Gretcheniao yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Gretcheniao nka 35 km/h (22 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Gretcheniao had a very long hand bone called a carpometacarpus, the longest of any of its relatives, even though its upper arm bone was only the third largest.1

Its breastbone had special projections that pointed backward and to the sides, which helped support its flight muscles.1

Gretcheniao's toes had long, curved claws, perfect for grabbing onto branches or prey.1

Scientists think Gretcheniao flew by flapping its wings continuously, but it could not fly for long distances, similar to modern chickens or quails.2 1

The fossil of Gretcheniao was so well preserved that some of its feathers left dark marks on the rock, especially around its neck and wing.1

Gretcheniao had a strong beak and thick lower jaw, which helped it bite into tough food.1

Ishusho ya Gretcheniao yakozwe na AI — Ishusho yakozwe na AI yerekana uko Gretcheniao ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

Gusenya ibinyoma

Ibivugwa: Some people think Gretcheniao was a dinosaur like T. rex, but it was actually a bird.

Ukuri: Gretcheniao was a type of bird called an enantiornithine, which is a group of ancient birds that lived alongside dinosaurs. Birds are related to dinosaurs, but they are not the same as the giant meat-eaters.3 1

Ku bazobereye muri dinozore

Izina rya siyansi: Gretcheniao
Yiswe na: Chiappe et al. 20193
Itsinda: Inyoni za mbere
Umuryango / ishami: Enantiornithes3
Ishyirwa mu byiciro: Theropoda > Avialae3
Imyaka y'amabuye: imyaka miliyoni 126 kugeza 120 (Barremian / Aptian)3
Inzego z'amabuye: Yixian3
Ibihugu: Ubushinwa3
Ibisigazwa byanditswe: 1 muri The Paleobiology Database3
Ivumburwa: Gretcheniao was named in 2019 by scientists studying a nearly complete skeleton found in China. The fossil was named after Mrs. Gretchen Augustyn, who supported the Dinosaur Institute, and 'sinensis' means 'from China'.1
Biracyagibwaho impaka: Scientists are still debating how Gretcheniao and its close relatives are related to each other. Some think they all belong to one group, but others think they evolved separately.2 1

Aho amakuru yakuwe

New Bohaiornis-like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (dinodata.de)
New Bohaiornis -like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (pubmed.ncbi.nlm.nih.gov)
Gretcheniao in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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