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Ikhadi ledayinaso No. 0551 kwe-2 027

Duonychus

Igama lithetha: “two-clawed”1

Yayitya: IzityaloIidayinaso ezingaqhelekanga ezineentsibaiCretaceous yamva

Duonychus was a weird, plant-eating dinosaur with only two fingers on each hand, unlike most other meat-eating dinosaurs. It used its big, curved claws to grab branches and pull leaves close to its mouth. It lived in what is now Mongolia during the Late Cretaceous Period.1

Yaphila

100 ukuya ku-84 izigidi zeminyaka eyadlulayo5

iCretaceous yamva

Iifosili zifunyenwe:

Urlibe Khudak locality, Bayanshiree Formation, Gobi Desert, Mongolia5 1

Ubude

3 m (9.8 ft)2 3

Ubunzima

259 kg ukuya ku-268 kg (571 ukuya ku-591 lb)1 4

Ukuphakama

1.2 m (3.9 ft)

uqikelelo

Esona santya siphezulu

malunga ne-28 km/h (17 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

uqikelelo

Yayinzima kangakanani?

inzima njengezinja ezingama-13

inde njengezinja ezingama-3, impumlo ukuya emsileniinde njengeebhanana ezingama-17 zilandelelanainzima njengamavatala angama-54inzima njengabantwana basenkulisa abangama-14inzima njengabantwana besikolo abangama-8ibinokubaleka iimitha ezili-100 ngemizuzwana engama-13 (oyena mntu ukhawulezayo udinga i-9,6)

Duonychus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Duonychus malunga ne-28 km/h (17 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Duonychus is the first therizinosaur known to have only two fingers on each hand, instead of the usual three.1

The fossil includes a rare preserved keratinous claw, the hard material that covered the bone, which is almost never found in dinosaurs.1

Its name means 'two-clawed', and the species name honors Mongolian paleontologist Khishigjav Tsogtbaatar.1

Duonychus lived about 95 to 89 million years ago, during the Cenomanian to Santonian stages.1

The strong curve of its claws and high flexibility suggest it was a grasping animal, using its hands to pull down branches.1

Duonychus is a therizinosaur, a group of dinosaurs that, despite being meat-eater relatives, turned to eating plants.1

Umfanekiso owenziwe yi-AI: Duonychus — Umfanekiso owenziwe yi-AI obonisa indlela Duonychus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: Duonychus

?How big was Duonychus?

About 3 metres long and weighed around 260 kilograms.2

?What did Duonychus eat?

It was a plant-eater. It used its big, curved claws to grab branches and pull leaves to its mouth.2 1

?Why did Duonychus have only two fingers?

Scientists are not sure why, but it is the first therizinosaur known to have only two fingers on each hand instead of three. This helped it grasp vegetation.2 1

?Did Duonychus have feathers?

The fossil does not preserve feathers, but many therizinosaurs are thought to have had feathers. Duonychus was a theropod dinosaur, and many theropods had feathers.2

?When did Duonychus live?

It lived about 95 to 89 million years ago, during the Late Cretaceous Period.2 1

?Could Duonychus climb trees?

Probably not. Its claws were best for grasping branches and pulling them down to eat, not for climbing.1

Inyaniso ngeentsomi

Intsomi: Some people think Duonychus was a fast, fierce predator because it had big claws.

Inyaniso: Actually, Duonychus was a plant-eater, and its claws were for grasping vegetation, not for hunting.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Duonychus
Inikwe igama ngu:: Kobayashi et al. 20255
Iqela: Iidayinaso ezingaqhelekanga ezineentsiba
Usapho / iclade: Therizinosauridae5
Ukuhlelwa: Theropoda > Therizinosauria5
Ubudala bamatye: 100 ukuya ku-84 izigidi zeminyaka (Cenomanian / Santonian)5
Izakhiwo zamatye: Baynshire5
Amazwe: iMongolia5
Iirekhodi zeefosili: 1 kwi-Paleobiology Database5
Ukufunyanwa: Duonychus was named by Kobayashi and colleagues in 2025, based on a partial skeleton found in the Gobi Desert, Mongolia. The fossil was collected from the Urlibe Khudak locality.5 1
Kusaxoxwa ngayo: Scientists are still debating why Duonychus lost one finger, since most therizinosaurs had three. It might have helped it grasp branches more effectively.1

Apho iinyani zivela khona

Didactyl therizinosaur with a preserved keratinous claw from the Late Cretaceous of Mongolia (pmc.ncbi.nlm.nih.gov)
Duonychus (Wikipedia) (Wikipedia)
Weird Mongolian dinosaur wielded 'big, sharp and nasty' claws (reuters.com)
Didactyl therizinosaur with a preserved keratinous claw from the Late Cretaceous of Mongolia: iScience (cell.com)
Duonychus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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