Ikhadi ledayinaso No. 0799 kwe-2 027

Hesperonychus

Igama lithetha: “western claw”1

Yayitya: InyamaIiraptaiCretaceous yamva

Hesperonychus was a tiny, feathered dinosaur that lived in what is now Canada. It was one of the smallest meat-eating dinosaurs ever found in North America, about the size of a chicken.1

Yaphila

84 ukuya ku-72 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

Alberta, Canada, in the Dinosaur Park Formation and Oldman Formation1 2

Ubude

1 m (3.3 ft)3

Ubunzima

1.9 kg (4 lb)1

Ukuphakama

0.39 m (1.3 ft)

uqikelelo

Esona santya siphezulu

malunga ne-24 km/h (15 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 njengeebhanana ezingama-16

inde njengeekati zasekhaya ezingama-2, impumlo ukuya emsileniinde njengeebhanana ezingama-6 zilandelelanailula kunekati yasekhayainzima njengeebhanana ezingama-16incinci ngokwaneleyo ukuba ihambe phantsi kwesituloibinokubaleka iimitha ezili-100 ngemizuzwana engama-15 (oyena mntu ukhawulezayo udinga i-9,6)

Hesperonychus 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)

Hesperonychus malunga ne-24 km/h (15 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Hesperonychus weighed only about 1.9 kilograms, which is less than a house cat.1

It is the smallest carnivorous non-avian dinosaur known from North America.1

Hesperonychus belongs to a group called Microraptorinae, which includes the four-winged Microraptor from China.1

Its fossils were first collected in 1982 but were not studied until 25 years later.1

Hesperonychus lived about 75 million years ago during the Late Cretaceous.1

Even though it was fully grown, its hip bones were fused together, showing it was an adult.1

Umfanekiso owenziwe yi-AI: Hesperonychus — Umfanekiso owenziwe yi-AI obonisa indlela Hesperonychus 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: Hesperonychus

?How big was Hesperonychus?

About 1 metre long and weighed between 1.5 and 2 kilograms, roughly the size of a large cat.3 1

?What did Hesperonychus eat?

It was a meat-eater. It ate small animals like lizards, mammals, and insects.3 1

?Did Hesperonychus have feathers?

Yes, it almost certainly had feathers. It belonged to a group of feathered dinosaurs called Microraptorinae, which includes the four-winged Microraptor.3 1

?Could Hesperonychus fly?

Probably not. Scientists think it was more like a ground-running predator, not a glider like its relative Microraptor.3

?When did Hesperonychus live?

It lived about 75 million years ago, during the Late Cretaceous period.3 1

?Is Hesperonychus a dinosaur?

Yes, it is a small, meat-eating dinosaur called a dromaeosaurid. It is not a bird, even though it had feathers.3 1

Kwiingcali zeedayinaso

Igama lenzululwazi: Hesperonychus
Inikwe igama ngu:: Longrich and Currie 20094
Iqela: Iirapta
Usapho / iclade: Dromaeosauridae4
Ukuhlelwa: Theropoda > Dromaeosauridae4
Ubudala bamatye: 84 ukuya ku-72 izigidi zeminyaka (Campanian)4
Izakhiwo zamatye: Dinosaur Park, Oldman4
Amazwe: iKhanada4
Iirekhodi zeefosili: 4 kwi-Paleobiology Database4
Ukufunyanwa: The holotype was collected in 1982 by Dr. Elizabeth Nicholls, but it was not described until 2009 by Nicholas Longrich and Philip Currie. The species name honors Elizabeth Nicholls.1 3
Kusaxoxwa ngayo: Scientists are not sure exactly how many small dromaeosaurids lived in North America, because only isolated bones have been found so far.1

Apho iinyani zivela khona

A microraptorine (Dinosauria, Dromaeosauridae) from the Late Cretaceous of North America (pmc.ncbi.nlm.nih.gov)
A microraptorine (Dinosauria, Dromaeosauridae) from the Late Cretaceous of North America (pnas.org)
Hesperonychus (en.wikipedia.org)
Hesperonychus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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