Tracks Hint at the Social Life of Tyrant Dinosaurs

What's scarier than a tyrannosaur? Three tyrannosaurs. That's simple, undeniable math. The question is whether or not the tyrant dinosaurs ever prowled together in real life. Up until now, the evidence has been equivocal. But a trackway found in British Columbia finally provides firmer ground for speculation on the social lives of these celebrated carnivores.

The idea that large tyrannosaurs - like Albertosaurus and the mighty Tyrannosaurus itself - worked together to bring down prey isn't new. University of Alberta paleontologist Philip Currie has been championing the hypothesis for over a decade, citing bonebeds that contain multiple individuals of the Late Cretaceous tyrannosaurs Albertosaurus and Daspletosaurus. And three years ...

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