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Changmiania

Izenaren esanahia: “eternal sleeper”1

Jaten zuen: LandareakLandarejale mokodunakBehe Kretazeoa

Changmiania was a small, fast-running dinosaur that lived in what is now China. It had a beak for eating plants and might have dug burrows to sleep in. Two nearly complete skeletons were found in perfect lifelike poses, as if they were resting when they were buried.1 2

Bizi izan zen

Duela 126 eta 120 milioi urte artean6

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Lujiatun village, Liaoning Province, China6 1

Luzera

1 eta 1,5 m artean (3,3 eta 4,9 ft artean)1

Pisua

3 kg (7 lb)3

Altuera

0,49 m (1,6 ft)

kalkulua

Abiadura maximoa

24 km/h inguru (15 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?

25 banana bezain astun

3 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 8 banana bezain luzeetxeko katu bat bezain astun, gutxi gorabehera25 banana bezain astun100 metro 15 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Changmiania 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)

Changmiania 24 km/h inguru (15 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Changmiania had a short neck with only six neck bones, which is unusual for dinosaurs and may have helped it dig.1 2

Its hip bones were tilted upward and partly covered the backbone, a feature seen in some digging mammals.1 2

The two known skeletons are so well preserved that they show no signs of weathering or scavenging, suggesting they were buried quickly while alive.1 2

Changmiania's hind legs were about twice as long as its front legs, making it a fast runner.1 2

Scientists think Changmiania might have been a facultative digger, meaning it could dig but did not live underground full time.1 2

Its name means 'eternal sleeper' in Chinese, because the fossils were found in sleeping-like poses.1

Changmiania lived about 125 to 119 million years ago during the Early Cretaceous period.6

Changmiania: AAk egindako irudia — Changmiania 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

Changmiania: gehien egindako galderak

?How big was Changmiania?

About 1.2 metres (4 feet) long. That is roughly the size of a small dog.4 5

?Did Changmiania dig burrows?

Yes, scientists think it could dig burrows. Its short neck, short forearms, and shovel-shaped snout are features that help digging animals.5 2 4

?What did Changmiania eat?

Changmiania was an herbivore, meaning it ate plants. It had a beak for snipping off leaves and other plant material.5 4

?How fast could Changmiania run?

Changmiania was a very fast runner. Its hind legs were about twice as long as its front legs, and its long, stiff tail helped it balance while running.4 2

Mito-hauslea

Mitoa: Some people think Changmiania was a true underground burrower like a mole.

Egia: Scientists say it was probably a facultative digger that could dig but spent most of its time above ground, as shown by its long running legs.1 2

Dino adituentzat

Izen zientifikoa: Changmiania
Izendatzailea:: Yang et al. 20206
Taldea: Landarejale mokodunak
Familia / klada: Thescelosauridae6
Sailkapena: Ornithischia6
Arroken adina: 126 eta 120 milioi urte artean (Barremian / Aptian)6
Arroka-formazioak: Yixian6
Herrialdeak: Txina6
Fosil-erregistroak: 1 The Paleobiology Database datu-basean6
Aurkikuntza: Changmiania was named in 2020 by Yang Y., Wu W., Dieudonné P., and Godefroit P. based on two nearly complete skeletons found in the Lujiatun Beds of Liaoning, China.6 1
Oraindik eztabaidagai: Scientists are not sure if Changmiania really dug burrows, because the fossils lack detailed information about the surrounding rock and how they were buried.1 2

Datuak nondik datozen

PeerJ A new basal ornithopod dinosaur from the Lower Cretaceous of China (peerj.com)
A new basal ornithopod dinosaur from the Lower Cretaceous of China (pmc.ncbi.nlm.nih.gov)
Changmiania liaoningensis | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Eternal Sleep: Dinosaurs Died Underground, Fossils Perfectly Preserved | Institute of Natural Sciences (naturalsciences.be)
Changmiania (en.wikipedia.org)
Changmiania in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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