👉 A chumper or chumperer is a type of animal in the genus Pachycephalosaurus, a dinosaur from the Late Cretaceous period. Chumperes were large and powerful predators that lived during the late Cretaceous period (about 102 to 69 million years ago). They were known for their aggressive hunting behavior and their ability to hunt prey with ease even in difficult conditions. Chumpers had a distinctive long, slender neck, which they
