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Kartu dino No. 0896 ci 2 027

Jaculinykus

Tur bi mooy: “speedy dragon”1

Lekkoon: YàppDino yu am dun yu doy waarKretase bu mujj

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

Dundoon

am na 84 ba 72 milyoŋ at5

Kretase bu mujj

Fosil yu ñu gis ci

Nemegt locality, Ömnögovi Province, Mongolia1 5

Guddaay

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

Diisaay

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

Kawewaay

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

Gaawaay bi gën a kawe

lu tollu ci 30 km/h (19 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 1 muusu kër

gudd ni 2 muusu kër, bakkan ba geengudd ni 6 banaana yu ñu topp-toppalelu tollu ci diisaayu muusu kërdiis ni 42 banaanamënoon na daw 100 meetar ci 12 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Jaculinykus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Jaculinykus lu tollu ci 30 km/h (19 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Jaculinykus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Jaculinykus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci 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

Ku tas léeb yu dul dëgg

Léeb: Some people think all dinosaurs slept standing up.

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

Ngir ñi xam dino lool

Turu xam-xam: Jaculinykus
Ku ko tudde: Kubo et al. 20235
Kurél: Dino yu am dun yu doy waar
Njaboot / klad: Alvarezsauridae5
Klasifikasiyoŋ: Theropoda > Alvarezsauridae5
Màggaayu doj yi: 84 ba 72 milyoŋ at (Campanian)5
Formasiyoŋi doj: Baruungoyot5
Réew yi: Mongoli5
Fosil yu ñu gis: 1 ci The Paleobiology Database5
Gisees: 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
Ñu ngi koy werante ba tey: 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

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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