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Jaculinykus

Il num vul dir: “speedy dragon”1

Mangiava: CharnDinos curius cun plimasCretacic tardiv

Jaculinykus was a tiny, bird-like dinosaur that lived in the Gobi Desert. It had a big claw on its thumb and could probably run very fast. One fossil was found curled up like a sleeping bird!1 2

Viveva

avant 84 fin 72 milliuns onns5

Cretacic tardiv

Fossils chattads en

Nemegt locality, Ömnögovi Province, Mongolia1 5

Lunghezza

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

Paisa

2 kg fin 5 kg (4 fin 11 lb)1

Autezza

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

Spertadad maximala

var 30 km/h (19 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 1 giats da chasa

uschè lung sco 2 giats da chasa dal nas a la cuauschè lung sco 6 bananas ina suenter l'autravar uschè grev sco in giat da chasauschè grev sco 42 bananaspudess currer 100 meters en 12 secundas (il pli spert uman dovra 9,6)

Quant grond era Jaculinykus 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)

Jaculinykus var 30 km/h (19 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Jaculinykus had only two fingers on each hand. Its first finger was huge with a big claw, and its second finger was tiny.1 2

The fossil of Jaculinykus was found in a sleeping position. Its neck was curled back and its legs were tucked under its body, just like modern birds.1 2

Jaculinykus is the ninth alvarezsaurid dinosaur discovered in the Nemegt Basin of Mongolia.1 2

Its name means 'speedy dragon' in a mix of Greek and Mongolian. 'Yaruui' means 'speedy' in Mongolian.1

Jaculinykus lived about 83 to 72 million years ago during the Late Cretaceous period.5

This dinosaur was a maniraptoran theropod, meaning it was more closely related to birds than to other dinosaurs like T. rex.1 2

Maletg da Jaculinykus fatg cun IA — In maletg fatg cun IA che mussa co Jaculinykus 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 Jaculinykus

?How big was Jaculinykus?

Jaculinykus was a tiny dinosaur, about the size of a modern turkey or a large chicken. Its nearly complete skeleton is small and delicate.1 3

?What did Jaculinykus eat?

Jaculinykus probably ate insects. It had a big thumb claw that it used to dig into insect nests, and its flexible skull may have helped it eat larger, struggling bugs.4

?Did Jaculinykus have feathers?

Yes, Jaculinykus was a feathered dinosaur. It was a maniraptoran theropod, a group that includes birds, and scientists think it was covered in feathers.4

?Why did Jaculinykus have a big thumb?

Jaculinykus had a big thumb with a large claw to help it dig for food, probably insects. The thumb was huge while the other fingers were tiny or missing.4 1

Chatschader da mitus

Mitus: Some people think all dinosaurs slept standing up.

Vardad: Jaculinykus shows that some dinosaurs slept curled up like birds, with their heads tucked under their arms.1 2

Per experts da dinos

Num scientific: Jaculinykus
Numnà da: Kubo et al. 20235
Gruppa: Dinos curius cun plimas
Famiglia / clada: Alvarezsauridae5
Classificaziun: Theropoda > Alvarezsauridae5
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)5
Formaziuns da crap: Baruungoyot5
Pajais: Mongolia5
Chats da fossils: 1 en The Paleobiology Database5
Scuverta: Jaculinykus was named in 2023 by a team of scientists including K. Kubo, Y. Kobayashi, T. Chinzorig, and K. Tsogtbaatar. The nearly complete skeleton was found in the Baruungoyot Formation of Mongolia.1 5
Anc discutà: Scientists are still debating exactly how Jaculinykus used its big thumb claw. It might have been for digging for insects or for tearing open logs.1 2

Danunder che vegnan ils fatgs

A new alvarezsaurid dinosaur (Theropoda, Alvarezsauria) from the Upper Cretaceous Baruungoyot Formation of Mongolia provides insights for bird-like sleeping behavior in non-avian dinosaurs | PLOS One (journals.plos.org)
A new alvarezsaurid dinosaur (Theropoda, Alvarezsauria) from the Upper Cretaceous Baruungoyot Formation of Mongolia provides insights for bird-like sleeping behavior in non-avian dinosaurs (pmc.ncbi.nlm.nih.gov)
Jaculinykus (en.wikipedia.org)
New species of big-thumbed dinosaur discovered in Mongolia | Natural History Museum (nhm.ac.uk)
Jaculinykus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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