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Jaculinykus

Hiika maqaa: “speedy dragon”1

Kan nyaate: FoonDaayinoowwan rifeensa qaban kan addaaKireetaashasii Dhumaa

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

Kan jiraate

waggaa miliyoona 84 hanga 72 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Nemegt locality, Ömnögovi Province, Mongolia1 5

Dheerina

0.5 hanga 1 m (1.6 hanga 3.3 ft)1

Ulfaatina

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

Ol-dheerina

0.3 hanga 0.5 m (1 hanga 1.6 ft)1

Saffisa ol'aanaa

gara 30 km/sa'a (19 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

Hammam ulfaataa ture?

akka adurree manaa 1 ulfaata

akka adurree manaa 2 funyaan hanga eegeetti dheeraaakka muuzii 6 walitti hiriiran dheeraagara ulfaatina adurree manaaakka muuzii 42 ulfaatameetira 100 sekondii 12 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Jaculinykus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Jaculinykus gara 30 km/sa'a (19 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Jaculinykus — Fakkii AI'n hojjetame kan Jaculinykus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Jaculinykus baay'ee gaafataman

?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

Seenaa sobaa diigaa

Seenaa sobaa: Some people think all dinosaurs slept standing up.

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

Ogeeyyii daayinootiif

Maqaa saayinsii: Jaculinykus
Kan maqaa baase: Kubo et al. 20235
Garee: Daayinoowwan rifeensa qaban kan addaa
Maatii / kilaadii: Alvarezsauridae5
Ramaddii: Theropoda > Alvarezsauridae5
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)5
Caasaawwan dhagaa: Baruungoyot5
Biyyoota: Mongooliyaa5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: 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
Ammallee falmisiisaa: 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

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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