From The Guardian:
...The discovery of giant tooth marks in Tyrannosaurus rex bones has led fossil hunters to declare that the king of the dinosaurs was a cannibal. The lumbering beast was at the top of the food chain in North America 65 million years ago, but until now there has been little evidence to suggest it ate its own kind.
Researchers at Yale University were searching dinosaur fossil collections in another study when they saw deep gouge marks in T rex bones. When the creatures were alive, the only large predators that occupied the region were other T rex. "These are bite marks from large carnivores and if you look at what other large carnivores were around back then, the T rex is the only one that was out there," said Nick Longrich, a postdoctoral researcher who led the study...
Photo by Scott Kinmartin
