“So it’s really neat to see this slice of time preserved in Colorado.” Compared to much larger dinosaurs living at the time like tyrannosaurs or the horned ancestors of Triceratops, the new fossil ...
It is "solid evidence that tyrannosaurs drastically changed their diet as they grew up," said Dr Darla Zelenitsky, from the University of Calgary. The specimen is a juvenile gorgosaurus - a close ...
Baby tyrannosaurs were only the size of a Border Collie dog when they took their first steps, a team of palaeontologists has discovered. Researchers from Edinburgh University examined fossilised ...