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Yutyrannus

Naam beteken: “feathered tyrant”1

Het geëet: VleisTirannosourusseVroeë Kryt

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

Het geleef

126 tot 120 miljoen jaar gelede5

Vroeë Kryt

Fossiele gevind in

Liaoning Province, China2 1

Lengte

7,5 tot 10 m (25 tot 33 ft)1

Gewig

1,1 ton tot 1,414 ton (2 400 tot 3 100 lb)1

Hoogte

2,5 tot 3,5 m (8,2 tot 11 ft)1 2

Topspoed

omtrent 34 km/h (21 mph)

Hardloop, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe hoog was dit?

Hoe swaar was dit?

so swaar soos 71 honde

so lank soos 2 motors in 'n ry geparkeerso lank soos 56 piesangs punt aan puntso swaar soos 280 waatlemoeneso swaar soos 74 kleuterskoolkindersso swaar soos 44 skoolkindersso swaar soos 3 ysberekon 100 meter in 11 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Yutyrannus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Yutyrannus omtrent 34 km/h (21 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Yutyrannus — 'n KI-prent van hoe Yutyrannus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor Yutyrannus

?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

Mite-breker

Mite: All large dinosaurs were scaly, not feathered.

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

Vir dino-kenners

Wetenskaplike naam: Yutyrannus
Benoem deur: Xu et al. 20125
Groep: Tirannosourusse
Familie / klade: Proceratosauridae5
Klassifikasie: Theropoda > Tyrannosauroidea5
Ouderdom van die rotse: 126 tot 120 miljoen jaar (Barremian / Aptian)5
Rotsformasies: Yixian5
Lande: China5
Fossielrekords: 1 in The Paleobiology Database5
Ontdekking: 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
Steeds omstrede: 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

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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