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Palaeontology

Tyrannosaurus rex feasted on its own kind

October 30, 2015 | Comment icon 12 comments



Tyrannosaurus rex may have been a cannibal. Image Credit: CC BY-SA 2.5 Emoke Denes
New evidence suggests that the meat-eating behemoth was no stranger to eating its fellow tyrannosaurs.
Known for its enormous size and voracious appetite, Tyrannosaurus rex grew up to 40ft long and 20ft tall - a giant among the dinosaurs that roamed the Earth during the Cretaceous.

Now however comes new evidence suggesting that this colossal meat-eating reptile may have feasted not only upon the carcasses of other dinosaurs but on the remains of its own kind too.

The revelation comes courtesy of a half-eaten tyrannosaur bone discovered in Wyoming's Lance Formation which appeared to have been chewed upon by another large theropod dinosaur.
The find suggests that Tyrannosaurus and other similar species may have all been cannibals.

"The fact that the only large theropods found in the Lance Formation are two tyrannosaurs -Tyrannosaurus rex or Nanotyrannus lancensis - eliminates all interpretations but cannibalism," said paleontologist Matthew McLain of Loma Linda University.

"This has to be a tyrannosaur. There's just nothing else that has such big teeth."

Source: Washington Post | Comments (12)


Recent comments on this story
Comment icon #3 Posted by XenoFish 7 years ago
Coming this fall to Jurassic World: Cannibalsaurus Rex.
Comment icon #4 Posted by BeastieRunner 7 years ago
Coming this fall to Jurassic World: Cannibalsaurus Rex. Didn't we kinds get that, though?
Comment icon #5 Posted by XenoFish 7 years ago
No, that was Indominus Rex. It didn't go over that well.
Comment icon #6 Posted by Big Jim 7 years ago
Not a surprise. Lizards eat other lizards.
Comment icon #7 Posted by Anomalocaris 7 years ago
I can imagine a T.Rex doing this
Comment icon #8 Posted by MissJatti 7 years ago
''T-Rex doesn't want to be fed, it wants to hunt!''
Comment icon #9 Posted by Athena1979 7 years ago
Oh Chris Pratt, tell me again about the t-rex...
Comment icon #10 Posted by Anomalocaris 7 years ago
Oh Chris Pratt, tell me again about the t-rex...
Comment icon #11 Posted by DieChecker 7 years ago
Make sense to me. Didn't the experts say that T-Rex was very likely the hyena of the ancient world, eating carrion? Well, T-Rex has to die sometime, and who's going to eat it?
Comment icon #12 Posted by newbloodmoon 7 years ago
Not really shockedby this at all. It's not like it was belived that T-rex had the ability to reason out why it shoildn't eat its own kind. Sees rival, fights rival, rival runs or dies, rival dies and gets eaten.


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