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Dino txartela, 1948. zk. (2 027 guztira)

Xixianykus

Izenaren esanahia: “Xixia claw”1

Jaten zuen: HaragiaDino lumadun bitxiakGoi Kretazeoa

Xixianykus was a tiny, speedy dinosaur that lived in what is now China. It had long legs for running fast and was covered in feathers. Scientists think it was one of the fastest runners among non-bird dinosaurs.1

Bizi izan zen

Duela 90 eta 84 milioi urte artean5

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Henan Province, China1 2

Luzera

0,5 eta 1 m artean (1,6 eta 3,3 ft artean)2

Pisua

0,74 kg (2 lb)3

Altuera

0,2 m (0,7 ft)3

Abiadura maximoa

21 km/h inguru (13 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?

Zein astuna zen?

6 banana bezain astun

2 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 6 banana bezain luzeetxeko katu bat baino arinagoa6 banana bezain astunaulki baten azpitik ibiltzeko bezain txikia100 metro 17 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Xixianykus 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)

Xixianykus 21 km/h inguru (13 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Xixianykus belonged to a group called alvarezsaurids, which were small dinosaurs with strong arms and long legs.1

Its fossils were found in the Majiacun Formation in Xixia County, Henan Province, China.1

Xixianykus lived about 89 to 83 million years ago, during the Late Cretaceous period.2

This dinosaur had special bones in its hips and legs that helped it run very fast.1

Xixianykus is one of the earliest known members of the Parvicursorinae group, which were extreme runners.1

The name Xixianykus means 'Xixia claw', because its fossils were found in Xixia County and it had sharp claws.1

Xixianykus: AAk egindako irudia — Xixianykus 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

Xixianykus: gehien egindako galderak

?How big was Xixianykus?

Xixianykus was very small, only about 50 centimetres long and 20 centimetres tall. It weighed around 0.74 kilograms, making it one of the smallest known non-bird dinosaurs.3 4

?How fast could Xixianykus run?

Scientists think Xixianykus was extremely fast because it had very long legs compared to its body, with special foot bones that helped it run. It was built like a tiny roadrunner and could sprint quickly to escape predators.3 4

?Did Xixianykus eat meat?

Xixianykus likely ate colonial insects, such as termites. It had a long, tubular snout and strong arms with a large claw to tear open logs and nests.3 4

Dino adituentzat

Izen zientifikoa: Xixianykus
Izendatzailea:: Xu et al. 20105
Taldea: Dino lumadun bitxiak
Familia / klada: Alvarezsauridae5
Sailkapena: Theropoda > Alvarezsauridae5
Arroken adina: 90 eta 84 milioi urte artean (Coniacian / Santonian)5
Arroka-formazioak: Majiacun5
Herrialdeak: Txina5
Fosil-erregistroak: 1 The Paleobiology Database datu-basean5
Aurkikuntza: Xixianykus was named in 2010 by Xu and colleagues based on a partial skeleton found in the Majiacun Formation of Henan Province, China.1 2
Oraindik eztabaidagai: Scientists are not sure exactly what Xixianykus ate, but its sharp claws and small size suggest it hunted small prey.2

Datuak nondik datozen

A basal parvicursorine (Theropoda: Alvarezsauridae) from the Upper Cretaceous of China | Zootaxa (biotaxa.org)
PBDB Taxon (paleobiodb.org)
Xixianykus (en.wikipedia.org)
New "Roadrunner" Dinosaur Found in China | National Geographic (nationalgeographic.com)
Xixianykus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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