swinging its tail like a formidable weapon

designed to catch and hold slippery prey

ecologically comparable to a great egret

The postcranial body was compact

with its neck accounting for a large portion of its overall size

Gorgosaurus libratus Protoceratops swinging its tail like aGorgosaurus libratus is an extinct species of theropod dinosaur belonging to the family Tyrannosauridae, which lived during the Late Cretaceous period, approximately 77 to 75 million years ago (Campanian), in what is now North America. Its fossil remains have been found mainly in Canada, especially in the Dinosaur Park Formation, which has allowed a detailed understanding of its anatomy and ontogeny. Morphologically, Gorgosaurus libratus was a large