Carta da dino nr. 0799 da 2 027

Hesperonychus

Il num vul dir: “western claw”1

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

Viveva

avant 84 fin 72 milliuns onns4

Cretacic tardiv

Fossils chattads en

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

Lunghezza

1 m (3,3 ft)3

Paisa

1,9 kg (4 lb)1

Autezza

0,39 m (1,3 ft)

stima

Spertadad maximala

var 24 km/h (15 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

stima

Quant grev era el?

uschè grev sco 16 bananas

uschè lung sco 2 giats da chasa dal nas a la cuauschè lung sco 6 bananas ina suenter l'autrapli lev ch'in giat da chasauschè grev sco 16 bananasuschè pitschen ch'el pudeva ir sut ina sutgapudess currer 100 meters en 15 secundas (il pli spert uman dovra 9,6)

Quant grond era Hesperonychus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Hesperonychus var 24 km/h (15 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Maletg da Hesperonychus fatg cun IA — In maletg fatg cun IA che mussa co Hesperonychus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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

Per experts da dinos

Num scientific: Hesperonychus
Numnà da: Longrich and Currie 20094
Gruppa: Raptors
Famiglia / clada: Dromaeosauridae4
Classificaziun: Theropoda > Dromaeosauridae4
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)4
Formaziuns da crap: Dinosaur Park, Oldman4
Pajais: Canada4
Chats da fossils: 4 en The Paleobiology Database4
Scuverta: 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
Anc discutà: Scientists are not sure exactly how many small dromaeosaurids lived in North America, because only isolated bones have been found so far.1

Danunder che vegnan ils fatgs

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): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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