Nanuqsaurus
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
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No tedduno?
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How fast was it?
Anndal belɗungal
Nanuqsaurus was small for a tyrannosaur, with an estimated skull length of only 600 to 700 millimeters (about 2 feet) in adults.1
It lived at a paleolatitude of about 80 to 85 degrees north, meaning it experienced months of continuous darkness in winter.3
Its name comes from the Iñupiaq word 'nanuq' for polar bear, because it was a top predator in a cold, seasonal environment.1
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
It was closely related to the famous Tyrannosaurus rex, but much smaller, possibly because food was scarce in its Arctic habitat.1
The only known fossil is a partial skull, found in 2006, and it was initially mistaken for a different dinosaur called Gorgosaurus.1
Naamne ɓurɗe naamneede fii Nanuqsaurus
?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
Naamnu Rex fii Nanuqsaurus
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Feññinoowo goonga
Fenaande: Some people think Nanuqsaurus was a baby Tyrannosaurus rex because it was small.
Goonga: 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
Ngam annduɓe dino
- Innde ganndal
- Nanuqsaurus
- Inndoowo
- Fiorillo and Tykoski 20145
- Fedde
- Tyrannosaurs
- Fedde / clade
- Tyrannosauridae5
- Fedde
- Theropoda > Tyrannosauroidea > Tyrannosauridae5
- Duuɓi kaaƴe
- 72 haa 66 miliyon duuɓi (Maastrichtian)5
- Cuuɗi kaaƴe
- Prince Creek5
- Leyɗe
- USA5
- Fosilji tawaaɗi
- 1 nder Paleobiology Database5
- Tawgol
- 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
- Haa jooni ɓe ɗon yeddondira
- 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
To haalaaji ummii
- A Diminutive New Tyrannosaur from the Top of the World (pmc.ncbi.nlm.nih.gov)
- PBDB Taxon (paleobiodb.org)
- Nanuqsaurus (en.wikipedia.org)
- Diminutive dinosaur stalked the Arctic | Nature (nature.com)
- Nanuqsaurus in The Paleobiology Database (CC BY 4.0): duuɓi, nokkuuje, cuuɗi kaaƴe, pecce.
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Tyrannosaurus
Tarbosaurus
Albertosaurus
Daspletosaurus
Gorgosaurus
Alectrosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus
Pteranodon