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Nanuqsaurus: marrazkia
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Nanuqsaurus

Izenaren esanahia: “polar bear lizard”1
Jaten zuen: HaragiaTiranosauroakGoi Kretazeoa

Nanuqsaurus was a small, fierce tyrannosaur that lived in the ancient Arctic, where it was the top predator. It had a short snout and sharp teeth, and it hunted in a world with long, dark winters.1

Bizi izan zen
Duela 72 eta 66 milioi urte artean5
Goi Kretazeoa
Fosilak hemen aurkitu dira:
North Slope of Alaska, USA, in the Prince Creek Formation1
Luzera
5 eta 9 m artean (16 eta 30 ft artean)34
Pisua
500 kg eta 1,9 tona artean (1 100 eta 4 200 lb artean)3
Altuera
2,9 m (9,5 ft)
kalkulua
Abiadura maximoa
36 km/h inguru (22 mph)
Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Nanuqsaurus 9 m inguru luze (30 ft)Heldu baten bizikleta 1,8 m inguru (5,9 ft)Auto bat 4,5 m inguru (15 ft)Elefante bat, gaur egungo lehorreko animaliarik handiena 6,5 m inguru (21 ft)

Zein altua zen?

Txakur bat0,5 m inguru (1,6 ft)Zaldi bat1,6 m inguru (5,2 ft)Nanuqsaurus2,9 m inguru altu (9,5 ft)Elefante bat3,2 m inguru (10 ft)

kalkulua

Zein astuna zen?

1,5 auto bezain astun
ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 50 banana bezain luze95 txakur bezain astun380 angurria bezain astunhaur-eskolako 100 haur bezain astun59 eskolaume bezain astun4 hartz zuri bezain astun100 metro 10 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Nanuqsaurus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Nanuqsaurus was small for a tyrannosaur, with an estimated skull length of only 600 to 700 millimeters (about 2 feet) in adults.1

2

It lived at a paleolatitude of about 80 to 85 degrees north, meaning it experienced months of continuous darkness in winter.3

3

Its name comes from the Iñupiaq word 'nanuq' for polar bear, because it was a top predator in a cold, seasonal environment.1

4

Nanuqsaurus had a distinctive skull feature: the first two teeth in its lower jaw were much smaller than the ones behind them, which helped it bite in a unique way.1

5

It was closely related to the famous Tyrannosaurus rex, but much smaller, possibly because food was scarce in its Arctic habitat.1

6

The only known fossil is a partial skull, found in 2006, and it was initially mistaken for a different dinosaur called Gorgosaurus.1

AAk eginaNanuqsaurus: AAk egindako irudia
Nanuqsaurus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.
zure galderak

Nanuqsaurus: gehien egindako galderak

?How big was Nanuqsaurus?

Scientists first thought it was 5 to 6 meters long, but newer fossils suggest it may have grown to about 7 meters and weighed over 1.9 metric tons.3

?What did Nanuqsaurus eat?

As the top predator in its Arctic home, it likely hunted other dinosaurs like hadrosaurs and horned dinosaurs.3

?Did Nanuqsaurus have feathers?

Yes, it was likely covered in feathers for insulation against the cold.3

?Was Nanuqsaurus a dinosaur?

Yes, it was a theropod dinosaur and a close relative of Tyrannosaurus rex.3

?When did Nanuqsaurus live?

It lived during the Late Cretaceous, about 70 million years ago.4

?Why is it called Nanuqsaurus?

Its name means 'polar bear lizard' in Iñupiaq, because it was the top predator in the ancient Arctic.3

?Could Nanuqsaurus survive in the dark?

Yes, it lived through about 120 days of constant winter darkness each year and likely stayed in the Arctic year-round.3

?Is Nanuqsaurus bigger than a T. rex?

No, it was much smaller. T. rex was about 12 meters long, while Nanuqsaurus was only about half that size.4

Mito-hauslea

Mitoa: Some people think Nanuqsaurus was a baby Tyrannosaurus rex because it was small.

Egia: Nanuqsaurus was a distinct species, not a baby. It had unique skull features and lived in the Arctic, while T. rex lived further south.1

Dino adituentzat

Izen zientifikoa
Nanuqsaurus
Izendatzailea:
Fiorillo and Tykoski 20145
Taldea
Tiranosauroak
Familia / klada
Tyrannosauridae5
Sailkapena
Theropoda > Tyrannosauroidea > Tyrannosauridae5
Arroken adina
72 eta 66 milioi urte artean (Maastrichtian)5
Arroka-formazioak
Prince Creek5
Herrialdeak
AEB5
Fosil-erregistroak
1 The Paleobiology Database datu-basean5
Aurkikuntza
Nanuqsaurus was named by Anthony Fiorillo and Ronald Tykoski in 2014, based on a partial skull found in Alaska's Prince Creek Formation. The fossil was discovered in the Kikak-Tegoseak Quarry.1
Oraindik eztabaidagai
Scientists still debate why Nanuqsaurus was so small, with some thinking it was due to limited food in the Arctic, but others suggest it might have been a juvenile or a different factor.1

Datuak nondik datozen

  1. A Diminutive New Tyrannosaur from the Top of the World (pmc.ncbi.nlm.nih.gov)
  2. PBDB Taxon (paleobiodb.org)
  3. Nanuqsaurus (en.wikipedia.org)
  4. Diminutive dinosaur stalked the Arctic | Nature (nature.com)
  5. Nanuqsaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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Garai berekoak ere bai: Goi Kretazeoa

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