New indications of gradual decline of dinosaurs before the end of the cretaceous period

The gradual decline of the dinosaurs and pterosaurs presumably came before the impact of the Chicxulub asteroid and the global mass extinction at the end of the Cretaceous Period, new research suggests. Studies also indicate that bird species spread and diversified at the same time the dinosaurs disappeared.

Leave a Reply

Your email address will not be published. Required fields are marked *