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Katuni: Gretcheniao
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Gretcheniao

Zita rinoreva: “Gretchen's bird”31
Raidya: NyamaShiri dzekutangaCretaceous Yekutanga

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

Raivapo
makore mamiriyoni 126 kusvika 120 apfuura3
Cretaceous Yekutanga
Mafosiri akawanikwa:
Fossils were found in the Yixian Formation, near Huludao City in Liaoning Province, China.31
Kureba
0.3 kusvika 0.5 m (1 kusvika 1.6 ft)1
Huremu
0.19 kg kusvika 0.282 kg (0 kusvika 1 lb)1
Kukwirira
0.23 m (0.8 ft)
fungidziro
Kumhanya kwepamusoro
kunenge 35 km/h (22 mph)
Kubhururuka, fungidziro

Rairarama rini?

Triassic
Jurassic
Cretaceous
makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Gretcheniao kureba kunenge 0.5 m (1.6 ft)Katsi yemumba kunenge 0.5 m (1.6 ft)Imbwa kunenge 1 m (3.3 ft)Bhasikoro remunhu mukuru kunenge 1.8 m (5.9 ft)

Raiva rakakwirira zvakadii?

Gretcheniaokukwirira kunenge 0.23 m (0.8 ft)Katsi yemumbakunenge 0.3 m (1 ft)Imbwakunenge 0.5 m (1.6 ft)Bhizakunenge 1.6 m (5.2 ft)

fungidziro

Rairema zvakadii?

kurema semabhanana 2.5
kureba semabhanana 3 akatevedzanakureruka kupfuura katsi yemumbakureba sezvidhinha zvematoyi 16 zvakatevedzanadiki zvekugona kufamba pasi pechigaroraigona kubhururuka richiyambuka nhandare yose yebhora mumasekonzi 11

Gretcheniao raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

zvinhu zvinonakidza

Zvinonakidza

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

Zvakagadzirwa neAIMufananidzo wakagadzirwa neAI: Gretcheniao
Mufananidzo wakagadzirwa neAI unoratidza kuti Gretcheniao ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.

Mubvisi wengano

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

Chokwadi: 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

Zvevanyanzvi vemadhino

Zita resainzi
Gretcheniao
Akaripa zita:
Chiappe et al. 20193
Boka
Shiri dzekutanga
Mhuri / boka
Enantiornithes3
Kurongwa kwemhuka
Theropoda > Avialae3
Zera rematombo
makore mamiriyoni 126 kusvika 120 (Barremian / Aptian)3
Mapoka ematombo
Yixian3
Nyika
China3
Zvinyorwa zvemafosiri
1 mu The Paleobiology Database3
Kuwanikwa
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
Zvichiri kupokanwa
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

Kunobva chokwadi

  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): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

Chokwadi chega chega papeji ino chine nhamba inoratidza kwachakabva. Kana takakanganisa chimwe chinhu, ruregerero, tiri vanoda madhino, kwete magazini yesainzi. Tiudze pa [email protected] tichazvigadzirisa.

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Mamwe kubva muboka rimwe chete: Shiri dzekutanga

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Zvimwe zvenguva imwe chete: Cretaceous Yekutanga

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Fudza Rexchirongo chezvipo chevakuru