Dozens of fossils from a bird-like theropod dinosaur known as Avimimus have been unearthed in a single bonebed in Mongolia, providing strong evidence that they were gregarious, social beings. Avimimus lived in the Upper Cretaceous in what is now Mongolia, approximately 70 million years ago. This artist’s rendering shows a pair of nesting bird-like dinosaurs. Image credit: Chuang Zhao. “The common mythology of dinosaurs depicts solitary, vicious...
