A large herbivore. They lived in large groups where there is an Alpha Male and Alpha Female. There would usually other females in the group including immature males. There main defense is create an wall of horns as they circle around their youth in the middle. The other purpose for the horns on the Triceratops is to make its appearance different from other species. The ultimate reason is to impress female triceratops like the feathers on male peacocks uses there tail feathers to impress the female peacock. The males are brightly colored while the female are dull in color. A baby triceratops has a flat crest and small horns, while a teenage have a boney crest and horns sticking up than forward, young adult Triceratops have a spiky crest and long straight horns and fully grown Triceratops ha