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Xixianykus

Il num vul dir: “Xixia claw”1

Mangiava: CharnDinos curius cun plimasCretacic tardiv

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

Viveva

avant 90 fin 84 milliuns onns5

Cretacic tardiv

Fossils chattads en

Henan Province, China1 2

Lunghezza

0,5 fin 1 m (1,6 fin 3,3 ft)2

Paisa

0,74 kg (2 lb)3

Autezza

0,2 m (0,7 ft)3

Spertadad maximala

var 21 km/h (13 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

Quant grev era el?

uschè grev sco 6 bananas

uschè lung sco 2 giats da chasa dal nas a la cuauschè lung sco 6 bananas ina suenter l'autrapli lev ch'in giat da chasauschè grev sco 6 bananasuschè pitschen ch'el pudeva ir sut ina sutgapudess currer 100 meters en 17 secundas (il pli spert uman dovra 9,6)

Quant grond era Xixianykus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Xixianykus var 21 km/h (13 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Maletg da Xixianykus fatg cun IA — In maletg fatg cun IA che mussa co Xixianykus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Xixianykus

?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

Per experts da dinos

Num scientific: Xixianykus
Numnà da: Xu et al. 20105
Gruppa: Dinos curius cun plimas
Famiglia / clada: Alvarezsauridae5
Classificaziun: Theropoda > Alvarezsauridae5
Vegliadetgna da la crappa: 90 fin 84 milliuns onns (Coniacian / Santonian)5
Formaziuns da crap: Majiacun5
Pajais: China5
Chats da fossils: 1 en The Paleobiology Database5
Scuverta: 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
Anc discutà: Scientists are not sure exactly what Xixianykus ate, but its sharp claws and small size suggest it hunted small prey.2

Danunder che vegnan ils fatgs

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): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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