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Dakotaraptor

Dzina limatanthauza: “thief from Dakota”1

Ankadya: NyamaMaraputalaKumapeto kwa Kretase

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

Ankakhala

zaka 72 mpaka 66 miliyoni zapitazo5

Kumapeto kwa Kretase

Mafosili apezeka ku

South Dakota, USA, in the Hell Creek Formation1 5

Utali

4.35 mpaka 6 m (14 mpaka 20 ft)1

Kulemera

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

Msinkhu

1.83 m (6 ft)3

Liwiro lalikulu kwambiri

pafupifupi 47 km/h (29 mph)

Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Msinkhu wake unali wautali bwanji?

Ankalemera bwanji?

wolemera ngati agalu 18

wautali ngati agalu 6 otsatizana mphuno ndi mchirawautali ngati nthochi 33 zotsatizanawolemera ngati mavwende 70wolemera ngati ana a sukulu ya mkaka 18wolemera ngati ana a sukulu 11akanatha kuthamanga mamita 100 m'masekondi 7.7 (munthu waliwiro kwambiri amafunika 9.6)

Dakotaraptor anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Dakotaraptor pafupifupi 47 km/h (29 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Dakotaraptor chopangidwa ndi AI — Chithunzi cha momwe Dakotaraptor mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Kwa akatswiri a madino

Dzina la sayansi: Dakotaraptor
Anapatsidwa dzina ndi: DePalma et al. 20155
Gulu: Maraputala
Banja / kladi: Dromaeosauridae5
Magawidwe a sayansi: Theropoda > Dromaeosauridae5
Zaka za miyala: zaka 72 mpaka 66 miliyoni (Maastrichtian)5
Mapangidwe a miyala: Hell Creek5
Mayiko: Amereka5
Zolemba za mafosili: 2 mu The Paleobiology Database5
Kupezeka: 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
Akukambiranabe: 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

Kumene mfundo zimachokera

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): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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