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Yutyrannus

Hiika maqaa: “feathered tyrant”1

Kan nyaate: FoonTiraanoosarootaKireetaashasii Jalqabaa

Yutyrannus was a big, feathered dinosaur that lived in China about 125 million years ago. It was a cousin of T. rex, but it had feathers all over its body. Scientists found three nearly complete skeletons, which helps us learn a lot about this amazing creature.2 1

Kan jiraate

waggaa miliyoona 126 hanga 120 dura5

Kireetaashasii Jalqabaa

Fosiliiwwan kan itti argaman

Liaoning Province, China2 1

Dheerina

7.5 hanga 10 m (25 hanga 33 ft)1

Ulfaatina

1.1 toonii hanga 1.414 toonii (2,400 hanga 3,100 lb)1

Ol-dheerina

2.5 hanga 3.5 m (8.2 hanga 11 ft)1 2

Saffisa ol'aanaa

gara 34 km/sa'a (21 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 71 ulfaata

akka konkolaataa 2 tarreen dhaabatan dheeraaakka muuzii 56 walitti hiriiran dheeraaakka habxuu 280 ulfaataakka ijoollee KG 74 ulfaataakka ijoollee mana barumsaa 44 ulfaataakka beeraa adii 3 ulfaatameetira 100 sekondii 11 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Yutyrannus 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)

Yutyrannus gara 34 km/sa'a (21 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Yutyrannus is the largest dinosaur ever found with direct evidence of feathers. It was about 40 times heavier than the previous record holder, Beipiaosaurus.1

The feathers of Yutyrannus were long and filamentous, up to 20 centimetres (7.9 inches) long. They may have covered most of its body.1

Yutyrannus lived during the early Cretaceous period, about 125 million years ago. That is about 55 million years before T. rex appeared.2 1

The three known Yutyrannus fossils were found together, which suggests they may have lived and hunted in packs.1

Yutyrannus had a bite force of about 2,405 newtons (540 pounds-force). That is strong, but much weaker than the bite of T. rex.1

The climate where Yutyrannus lived was cool, with an average annual temperature of about 10 °C (50 °F). Its feathers may have helped keep it warm.1

Fakkii AI'n hojjetame: Yutyrannus — Fakkii AI'n hojjetame kan Yutyrannus 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 Yutyrannus baay'ee gaafataman

?How big was Yutyrannus?

About 7.5 to 10 metres long, and weighed around 1,100 to 1,414 kilograms.3 1

?Did Yutyrannus have feathers?

Yes. Fossil imprints show it had long, filamentous feathers up to 20 centimetres long, making it the largest dinosaur with direct evidence of feathers.2 1

?What did Yutyrannus eat?

It was a carnivore, meaning it ate meat. It may have hunted in packs to take down large prey like sauropods.3

?Was Yutyrannus bigger than T. rex?

No. Yutyrannus was about 7.5 to 10 metres long, while T. rex could grow to over 12 metres. T. rex was larger.3

?When did Yutyrannus live?

It lived during the Early Cretaceous period, about 125 million years ago. That is about 55 million years before T. rex appeared.3 1

?Where was Yutyrannus found?

Its fossils were found in Liaoning Province, northeastern China, in rocks of the Yixian Formation.3 1

?Why did Yutyrannus have a crest?

The wavy crest on its snout was probably used for display, like to attract mates or show off.1 4

?How fast could Yutyrannus run?

Scientists are not sure exactly, but its short foot was not specialized for running, so it was probably not very fast.1

?Is Yutyrannus a dinosaur?

Yes, it is a dinosaur. It belongs to the group Tyrannosauroidea, which includes T. rex and its relatives.3 1

Seenaa sobaa diigaa

Seenaa sobaa: All large dinosaurs were scaly, not feathered.

Dhugaa: Yutyrannus shows that even some very large dinosaurs, like this 10-metre-long tyrannosaur, had feathers.2 1

Ogeeyyii daayinootiif

Maqaa saayinsii: Yutyrannus
Kan maqaa baase: Xu et al. 20125
Garee: Tiraanoosaroota
Maatii / kilaadii: Proceratosauridae5
Ramaddii: Theropoda > Tyrannosauroidea5
Umurii dhagaawwanii: waggaa miliyoona 126 hanga 120 (Barremian / Aptian)5
Caasaawwan dhagaa: Yixian5
Biyyoota: Chaayinaa5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: Yutyrannus was named and described by Xu Xing and colleagues in 2012. The three fossils were bought from a fossil dealer who said they came from a single quarry in Liaoning, China.1
Ammallee falmisiisaa: Scientists are not sure if the feathers covered the whole body or only certain parts. They also debate whether later, larger tyrannosaurs like T. rex had feathers as adults.1

Odeeffannoon eessaa dhufa

Yutyrannus (en.wikipedia.org)
A gigantic feathered dinosaur from the Lower Cretaceous of China | Nature (nature.com)
Yutyrannus | Natural History Museum (nhm.ac.uk)
Dinosaurs - Yutyrannus huali - The Australian Museum (australian.museum)
Yutyrannus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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