Fossils: ‘Fat-footed’ tyrannosaur parents could not keep up with their skinnier adolescent offspring
Skinny teenage tyrannosaurs could likely run rings around their bulky, ‘fat-footed’ elders 66 million years ago, new analysis of fossilised footprints has suggested. Experts from Australia, Canada and Italy studied a set of tyrannosaur footprints found in the rocks of the Wapiti Formation on the British Columbia–Alberta border. They found that as tyrannosaurs grew larger … Read more