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Umfanekiso wekhathuni: Gretcheniao
Ikhadi ledayinaso No. 0754 kwe-2 027

Gretcheniao

Igama lithetha: “Gretchen's bird”31
Yayitya: InyamaIintaka zokuqalaiCretaceous yokuqala

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!32

Yaphila
126 ukuya ku-120 izigidi zeminyaka eyadlulayo3
iCretaceous yokuqala
Iifosili zifunyenwe:
Fossils were found in the Yixian Formation, near Huludao City in Liaoning Province, China.31
Ubude
0.3 ukuya ku-0.5 m (1 ukuya ku-1.6 ft)1
Ubunzima
0.19 kg ukuya ku-0.282 kg (0 ukuya ku-1 lb)1
Ukuphakama
0.23 m (0.8 ft)
uqikelelo
Esona santya siphezulu
malunga ne-35 km/h (22 mph)
Ukubhabha, uqikelelo

Yaphila nini?

iTriassic
iJurassic
iCretaceous
Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Gretcheniao malunga ne-0.5 m ubude (1.6 ft)Ikati yasekhaya malunga ne-0.5 m (1.6 ft)Inja malunga ne-1 m (3.3 ft)Ibhayisikile yomntu omdala malunga ne-1.8 m (5.9 ft)

Yayiphakame kangakanani?

Gretcheniaomalunga ne-0.23 m ukuphakama (0.8 ft)Ikati yasekhayamalunga ne-0.3 m (1 ft)Injamalunga ne-0.5 m (1.6 ft)Ihashemalunga ne-1.6 m (5.2 ft)

uqikelelo

Yayinzima kangakanani?

inzima njengeebhanana ezingama-2.5
inde njengeebhanana ezingama-3 zilandelelanailula kunekati yasekhayainde njengezitena zokudlala ezingama-16 zilandelelanaincinci ngokwaneleyo ukuba ihambe phantsi kwesituloibinokubhabha inqumle ibala lebhola ekhatywayo lonke ngemizuzwana engama-11

Gretcheniao wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

izinto ezimnandi

Iinyani ezimnandi

1

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

2

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

3

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

4

Scientists think Gretcheniao flew by flapping its wings continuously, but it could not fly for long distances, similar to modern chickens or quails.21

5

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

6

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

Yenziwe yi-AIUmfanekiso owenziwe yi-AI: Gretcheniao
Umfanekiso owenziwe yi-AI obonisa indlela Gretcheniao esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Inyaniso ngeentsomi

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

Inyaniso: 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.31

Kwiingcali zeedayinaso

Igama lenzululwazi
Gretcheniao
Inikwe igama ngu:
Chiappe et al. 20193
Iqela
Iintaka zokuqala
Usapho / iclade
Enantiornithes3
Ukuhlelwa
Theropoda > Avialae3
Ubudala bamatye
126 ukuya ku-120 izigidi zeminyaka (Barremian / Aptian)3
Izakhiwo zamatye
Yixian3
Amazwe
iTshayina3
Iirekhodi zeefosili
1 kwi-Paleobiology Database3
Ukufunyanwa
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
Kusaxoxwa ngayo
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.21

Apho iinyani zivela khona

  1. New Bohaiornis-like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (dinodata.de)
  2. New Bohaiornis -like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (pubmed.ncbi.nlm.nih.gov)
  3. Gretcheniao in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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