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Hesperonychus

Izenaren esanahia: “western claw”1

Jaten zuen: HaragiaRaptoreakGoi Kretazeoa

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

Bizi izan zen

Duela 84 eta 72 milioi urte artean4

Goi Kretazeoa

Fosilak hemen aurkitu dira:

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

Luzera

1 m (3,3 ft)3

Pisua

1,9 kg (4 lb)1

Altuera

0,39 m (1,3 ft)

kalkulua

Abiadura maximoa

24 km/h inguru (15 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

kalkulua

Zein astuna zen?

16 banana bezain astun

2 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 6 banana bezain luzeetxeko katu bat baino arinagoa16 banana bezain astunaulki baten azpitik ibiltzeko bezain txikia100 metro 15 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Hesperonychus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Hesperonychus 24 km/h inguru (15 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

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

Hesperonychus: AAk egindako irudia — Hesperonychus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Hesperonychus: gehien egindako galderak

?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

Dino adituentzat

Izen zientifikoa: Hesperonychus
Izendatzailea:: Longrich and Currie 20094
Taldea: Raptoreak
Familia / klada: Dromaeosauridae4
Sailkapena: Theropoda > Dromaeosauridae4
Arroken adina: 84 eta 72 milioi urte artean (Campanian)4
Arroka-formazioak: Dinosaur Park, Oldman4
Herrialdeak: Kanada4
Fosil-erregistroak: 4 The Paleobiology Database datu-basean4
Aurkikuntza: 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
Oraindik eztabaidagai: Scientists are not sure exactly how many small dromaeosaurids lived in North America, because only isolated bones have been found so far.1

Datuak nondik datozen

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): adina, tokiak, arroka-formazioak, sailkapena.

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