Giant 'cow of the Cretaceous' discovered almost 100 years ago identified as new duck-billed dinosaur
这种恐龙生活在白垩纪晚期,与其他鸭嘴龙科动物一起生活在今天的新墨西哥州。
Duck-Billed Dinos Broke Their Mates’ Tails, Exposing Dinosaur Sex and Sexual Difference
了解更多关于“鸭嘴”鸭嘴龙普遍存在的尾部损伤的信息,这可能是侵略性交配行为的产物。