Fossils reveal that Tyrannosaurs fought and ate each other
Dr. David Hone, a paleontologist and lecturer in Zoology at Queen Mary, University of London, has been studying scarring on the skull of a Daspletosaurus fossil found in Alberta's Dinosaur Provincial Park. He and his colleague, Darren Tanke, concluded that these scars were the result of bites from other Daspletosaurs.
Some of these bites were partially healed, suggesting they were the results of fierce battles during the creature's life. Others were clearly post-mortem injuries, probably inflicted by a scavenging cannibal dinosaur.