Ikarita ya dinozore nimero 0477 muri 2 027

Dakotaraptor

Izina risobanura: “thief from Dakota”1

Yaryaga: InyamaRaputoriKiretase ya nyuma

Dakotaraptor was a giant, feathered raptor that lived right at the end of the Age of Dinosaurs. It was one of the biggest dromaeosaurs ever, as large as a small car, and it used its huge sickle claws to hunt. Its arm bones show it had feathers, even though it was too big to fly.1 2

Yabayeho

hashize imyaka miliyoni 72 kugeza 665

Kiretase ya nyuma

Ibisigazwa byabonetse muri

South Dakota, USA, in the Hell Creek Formation1 5

Uburebure

4,35 kugeza 6 m (14 kugeza 20 ft)1

Uburemere

220 kg kugeza 350 kg (485 kugeza 772 lb)1

Ubutumburuke

1,83 m (6 ft)3

Umuvuduko wo hejuru

nka 47 km/h (29 mph)

Kwiruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Ubutumburuke bwayo bwanganaga iki?

Yari iremereye ite?

iremereye nk'imbwa 18

ndende nk'imbwa 6 zikurikiranyendende nk'imineke 33 ikurikiranyeiremereye nk'imbuto 70 za watermeloniremereye nk'abana 18 bo mu ishuri ry'incukeiremereye nk'abanyeshuri 11yashoboraga kwiruka metero 100 mu masegonda 7,7 (umuntu wihuta kurusha abandi akenera 9,6)

Dakotaraptor yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Dakotaraptor nka 47 km/h (29 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Dakotaraptor was one of the last surviving dromaeosaurids, living just before the mass extinction 66 million years ago.1

Its arm bone (ulna) has bumps called quill knobs, which are direct evidence that it had large feathers on its forearms.2

Some bones originally thought to belong to Dakotaraptor were later found to be from a turtle, so scientists are still debating which fossils are really from this dinosaur.1

It was about as big as Utahraptor, but its legs and arms were more like those of smaller, faster raptors such as Deinonychus.2

Dakotaraptor fossils were found in a bonebed with many other animals, including dinosaurs, birds, mammals, and fish.2

Its name honors both the Dakota people and the state of South Dakota, plus the Latin word for thief.1

Ishusho ya Dakotaraptor yakozwe na AI — Ishusho yakozwe na AI yerekana uko Dakotaraptor ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri Dakotaraptor

?How big was Dakotaraptor?

About 4.35 to 6 metres long and weighed 220 to 350 kilograms. That is about the size of a small car.1

?Did Dakotaraptor have feathers?

Yes. Its arm bone has quill knobs, which are bumps where big feathers attached, so it definitely had feathers on its forearms.1 2

?Could Dakotaraptor fly?

No, it was too big to fly. But it used its feathered wings to help pin down prey or as a shield.4

?When did Dakotaraptor live?

It lived at the very end of the Age of Dinosaurs, about 66 million years ago, just before the big extinction.1 4

?Where was Dakotaraptor found?

Its fossils were discovered in South Dakota, USA, in a famous rock layer called the Hell Creek Formation.1 2

?Was Dakotaraptor bigger than T. rex?

No, T. rex was much bigger. Dakotaraptor was about 5.5 metres long, while T. rex could be over 12 metres long.1

?What did Dakotaraptor eat?

It was a meat-eater that hunted other animals. It had a giant sickle claw on each foot for killing prey.1 4

?Is Dakotaraptor really a dinosaur?

Yes, it is a dinosaur. Some scientists have questioned whether all its bones really belong to it, but it is still considered a dromaeosaurid raptor.1

Ku bazobereye muri dinozore

Izina rya siyansi: Dakotaraptor
Yiswe na: DePalma et al. 20155
Itsinda: Raputori
Umuryango / ishami: Dromaeosauridae5
Ishyirwa mu byiciro: Theropoda > Dromaeosauridae5
Imyaka y'amabuye: imyaka miliyoni 72 kugeza 66 (Maastrichtian)5
Inzego z'amabuye: Hell Creek5
Ibihugu: Amerika5
Ibisigazwa byanditswe: 2 muri The Paleobiology Database5
Ivumburwa: Dakotaraptor was named in 2015 by Robert DePalma and colleagues, based on fossils found in 2005 in the Hell Creek Formation of South Dakota. The type specimen is held in a private collection, which has made it hard for other scientists to study.1 2
Biracyagibwaho impaka: Scientists are not sure whether Dakotaraptor is really a valid dinosaur, because some of its bones might belong to turtles and the main specimen is in a private collection that is not accessible to researchers.1

Aho amakuru yakuwe

Dakotaraptor (en.wikipedia.org)
The First Giant Raptor (Theropoda: Dromaeosauridae) from the Hell Creek Formation (bioone.org)
Dakotaraptor ruled Hell Creek as lethal predator (argusleader.com)
New Winged Dinosaur May Have Used Its Feathers to Pin Down Prey (smithsonianmag.com)
Dakotaraptor in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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