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Heyuannia

Izenaren esanahia: “from Heyuan”1

Jaten zuen: Denetarik pixka batDino lumadun bitxiakGoi Kretazeoa

Heyuannia was a small, toothless dinosaur that lived in what is now China and Mongolia. It had a short, steep snout and very short arms, and it may have been a good parent that sat on its eggs like a bird.2

Bizi izan zen

Duela 84 eta 66 milioi urte artean4

Goi Kretazeoa

Fosilak hemen aurkitu dira:

China (Guangdong province) and Mongolia2 4

Luzera

1,5 eta 2 m artean (4,9 eta 6,6 ft artean)2 1

Pisua

20 kg (44 lb)2

Altuera

0,82 m (2,7 ft)

kalkulua

Abiadura maximoa

41 km/h inguru (25 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

kalkulua

Zein astuna zen?

5 etxeko katu bezain astun

4 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 11 banana bezain luze4 angurria bezain astun100 metro 8,8 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Heyuannia ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Heyuannia 41 km/h inguru (25 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Heyuannia was the first oviraptorid dinosaur ever found in China. Most other oviraptorids come from Mongolia.2

Its eggs were blue-green in color, like the eggs of American robins. This color may have helped hide the eggs or send signals to other dinosaurs.2

Thousands of eggs have been found at the same site as Heyuannia, and some were probably laid by this dinosaur.2

Heyuannia had very short arms and its first finger was tiny. Its thumb claw was twice as big as the second claw.2

One fossil of Heyuannia may preserve reproductive organs, which is very rare for dinosaurs.2

Scientists think Heyuannia sat on its eggs to keep them warm, but it could not cover all the eggs at once. The outer eggs were cooler than the inner ones.2

Heyuannia: AAk egindako irudia — Heyuannia nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Heyuannia: gehien egindako galderak

?How big was Heyuannia?

Heyuannia was about 1.5 to 2 metres long (5 to 6.5 feet) and weighed around 20 kilograms (44 pounds).2 1

?What did Heyuannia eat?

Heyuannia was omnivorous, meaning it ate both plants and small animals.1

?Did Heyuannia have feathers?

Yes, Heyuannia was a feathered dinosaur, as shown in life restorations and because it belonged to the oviraptorid group, which had feathers.2 3

?Why were Heyuannia's eggs blue?

Heyuannia's eggs were blue-green because they contained pigments called biliverdin and protoporphyrin, which helped camouflage them and send signals to other dinosaurs.2 3

Dino adituentzat

Izen zientifikoa: Heyuannia
Izendatzailea:: Lü 20034
Taldea: Dino lumadun bitxiak
Familia / klada: Oviraptoridae4
Sailkapena: Theropoda > Oviraptorosauria4
Arroken adina: 84 eta 66 milioi urte artean (Campanian / Maastrichtian)4
Arroka-formazioak: Dongyuan, Baruungoyot4
Herrialdeak: Txina, Mongolia4
Fosil-erregistroak: 2 The Paleobiology Database datu-basean4
Honela ere ezaguna: Ajancingenia (orain animalia bertzat hartzen diren izen zaharragoak)4
Aurkikuntza: The first species, Heyuannia huangi, was named by Lü Junchang in 2002. The name honors the city of Heyuan in China and Huang Dong, director of the Heyuan Museum. The second species was originally called Ingenia yanshini by Rinchen Barsbold in 1981, but later moved to Heyuannia.2
Oraindik eztabaidagai: Scientists are not sure exactly where Heyuannia fits in the oviraptorid family tree. Some think it belongs in Oviraptorinae, others in Ingeniinae.2

Datuak nondik datozen

Heyuannia | Natural History Museum (nhm.ac.uk)
Heyuannia (en.wikipedia.org)
Dinosaurs Laid Blue Eggs—And That's a Big Deal | National Geographic (nationalgeographic.com)
Heyuannia in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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