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Dakotaraptor

Hiika maqaa: “thief from Dakota”1

Kan nyaate: FoonRaappitarootaKireetaashasii Dhumaa

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

Kan jiraate

waggaa miliyoona 72 hanga 66 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

South Dakota, USA, in the Hell Creek Formation1 5

Dheerina

4.35 hanga 6 m (14 hanga 20 ft)1

Ulfaatina

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

Ol-dheerina

1.83 m (6 ft)3

Saffisa ol'aanaa

gara 47 km/sa'a (29 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

Hammam ulfaataa ture?

akka saree 18 ulfaata

akka saree 6 funyaan hanga eegeetti dheeraaakka muuzii 33 walitti hiriiran dheeraaakka habxuu 70 ulfaataakka ijoollee KG 18 ulfaataakka ijoollee mana barumsaa 11 ulfaatameetira 100 sekondii 7.7 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Dakotaraptor hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Dakotaraptor gara 47 km/sa'a (29 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Dakotaraptor — Fakkii AI'n hojjetame kan Dakotaraptor maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Dakotaraptor baay'ee gaafataman

?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

Ogeeyyii daayinootiif

Maqaa saayinsii: Dakotaraptor
Kan maqaa baase: DePalma et al. 20155
Garee: Raappitaroota
Maatii / kilaadii: Dromaeosauridae5
Ramaddii: Theropoda > Dromaeosauridae5
Umurii dhagaawwanii: waggaa miliyoona 72 hanga 66 (Maastrichtian)5
Caasaawwan dhagaa: Hell Creek5
Biyyoota: Ameerikaa5
Galmee fosilii: 2 The Paleobiology Database keessa5
Argannoo: 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
Ammallee falmisiisaa: 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

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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