A new information have been revealed that the undisputed king of the dinosaurs, Tyrannosaurus rex, didn't just eat other dinosaurs but also each other. Paleontologists from United States and Canada have found bite marks on the giants' bones that were made by other T. rex.
While searching through the dinosaur fossil collections for another study on dinosaur bones with mammal tooth marks, Yale researcher Nick Longrich discovered a bone with especially large gouges in them.
It was only after discovering the bite marks were from a T. rex that Longrich realized that the bone also belonged to the behemoth. After searching through a few dozen T. rex bones from several different museum fossil collections, he discovered a total of three foot bones and one arm bone that showed evidence of T. rex cannibalism, representing a significant percentage.
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