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Sinornithomimus

Izenaren esanahia: “Chinese bird mimic”1

Jaten zuen: LandareakOstruka-dinoakGoi Kretazeoa

Sinornithomimus was a small, fast dinosaur that looked a bit like an ostrich. It lived in what is now China during the Late Cretaceous Period, about 92 to 90 million years ago. Scientists found many skeletons together, showing that these dinosaurs probably lived in herds.1 2

Bizi izan zen

Duela 94 eta 90 milioi urte artean5

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Ulansuhai Formation, Inner Mongolia, China1 2

Luzera

2,5 m (8,2 ft)1

Pisua

91 kg (201 lb)1

Altuera

0,99 m (3,2 ft)

kalkulua

Abiadura maximoa

66 km/h inguru (41 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 txakur bezain astun

2,5 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 14 banana bezain luze18 angurria bezain astunhaur-eskolako 5 haur bezain astun3 eskolaume bezain astun100 metro 5,5 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Sinornithomimus 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)

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

Sinornithomimus 66 km/h inguru (41 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

At least fourteen skeletons of Sinornithomimus were found together in one spot, and most of them were young dinosaurs. This suggests they lived in groups, maybe to protect each other from predators.2 1

Sinornithomimus had gastroliths, or stomach stones, that helped it grind up tough plants. This is rare among bird-like dinosaurs and shows it was a plant-eater.1

The first fossils of Sinornithomimus were discovered in 1997 by Chinese paleontologist Dong Zhiming during the Mongol Highland International Dinosaur Project.1

Sinornithomimus was about 2.5 meters (8.2 feet) long and weighed around 91 kilograms (201 pounds). That is about as heavy as a large adult human.1

Adult Sinornithomimus had longer lower legs compared to their upper legs than juveniles did. This means they could run faster as they grew up.2 1

A second herd of thirteen young Sinornithomimus was found in 2001. They probably died together after getting stuck in the mud of a drying waterhole.1

Sinornithomimus: AAk egindako irudia — Sinornithomimus 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

Sinornithomimus: gehien egindako galderak

?What did Sinornithomimus eat?

It ate plants. Scientists found gastroliths (stomach stones) in its fossils that helped grind up tough plant food.1

?How fast could Sinornithomimus run?

Nobody knows exactly, but it was a fast runner. Adults had longer lower legs than juveniles, which made them even faster.1

?Did Sinornithomimus live in groups?

Yes. Many skeletons were found together, including two herds of mostly young dinosaurs, showing they lived in groups.1 4

?How did Sinornithomimus die?

One group probably died after getting stuck in the mud of a drying waterhole. Their fossils show they struggled to escape.1 4

Dino adituentzat

Izen zientifikoa: Sinornithomimus
Izendatzailea:: Kobayashi and Lü 20035
Taldea: Ostruka-dinoak
Familia / klada: Ornithomimidae5
Sailkapena: Theropoda > Ornithomimosauria5
Arroken adina: 94 eta 90 milioi urte artean (Turonian)5
Arroka-formazioak: Ulansuhai5
Herrialdeak: Txina5
Fosil-erregistroak: 1 The Paleobiology Database datu-basean5
Aurkikuntza: Sinornithomimus was named and described by Yoshitsugu Kobayashi and Lü Junchang in 2003. The name means 'Chinese bird mimic' and honors Dong Zhiming, who found the first fossils in 1997.1 2
Oraindik eztabaidagai: Scientists are not sure whether the herds of Sinornithomimus were family groups with adults protecting young, or if the young lived separately from adults while the adults were busy nesting.1

Datuak nondik datozen

Sinornithomimus (en.wikipedia.org)
A new ornithomimid dinosaur with gregarious habits from the Late Cretaceous of China - Acta Palaeontologica Polonica (app.pan.pl)
PBDB Taxon (paleobiodb.org)
Young dinosaurs roamed together, died together | University of Chicago News (news.uchicago.edu)
Sinornithomimus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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