Studies of the skin from across the fossil show that the skin was thinner toward the flanks, between the tail and the hips, where other hadrosaur fossils have shown bite marks.

BBC: Dinosaur mummy yields its secrets

"If you understand the distribution of these structures in the skin of a prey animal, you can understand something about predator-prey interactions, and it might explain some of the hadrosaur fossils we see with these bite marks, " he said.

BBC: Dinosaur mummy yields its secrets