Dinosaur roars are invented sound design, since no recording of a living triceratops exists, and this clip follows that tradition with a deep animal-like bellow shaped for entertainment. Triceratops lived in the late Cretaceous and is recognised by its large frill and three horns, which is why creators pair this roar with images of that silhouette. Short roar effects like this spread through soundboards and video edits, where they are reused for dinosaur toys, games, animations and classroom projects that need instant prehistoric drama.