ScienceDaily (Oct. 7, 2009) — University of Alberta researcher Phil Bell has found 70 million year old evidence of dinosaur cannibalism. The jawbone of what appears to be a Gorgosaurus was found in 1996 in southern Alberta. A technician at the Royal Tyrell Museum found something unusual embedded in the jaw. It was the tip of a tooth from another meat-eating dinosaur.
Top: artist's impression of two dinosaurs fighting. Below: Phil Bell with the dinosaur tooth. (Credit: Image courtesy of University of Alberta)
Bell, a paleontology PhD candidate, says discovery of the tooth shows that a fight between two dinosaurs definitely took place. "The wound showed no signs of healing so we know the dinosaur died soon after it was inflicted." Bell says that leaves two possible storylines. "Either the attacker fought, killed and ate this dinosaur, or the victim was already dead." Either way, if the attacker and the victim were the same species, Bell has a rare case of dinosaur cannibalism.
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