Jordan Mallon, Canadian Museum of Nature (IMAGE) Canadian Museum of Nature Caption Dr. Jordan Mallon, in the fossil collections of the Canadian Museum of Nature, crouches by three of the skulls he examined for his study on niche partitioning in megaherbivores. From front to back: Lambeosaurus clavinitelis (a hadrosaur), Chasmosaurus belli, and Styracosaurus albertensis, both ceratopsids (horn-faced dinosaurs). Photo: Dan Smythe, Canadian Museum of Nature. Credit Dan Smythe, Canadian Museum of Nature Usage Restrictions For use with articles about the study. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.