Labels:text | animal OCR: HORNS ONE GROUP OF plant-eating BONY FRILL SPIKES dinosaurs was armed with long, sharp horns. This group was the rhinoceroslike ceratopsians. They lived in herds and used their horns to threaten enemies NOSE HORN and charge at large attacking predators. Male ceratopsians also locked horns when competing with each other NECK FRILL for territory and mates. Used to display the dinosaur's status in the herd NOSE-HORNED DINOSAUR Styracosaurus de fen ded itself against predators with its nose horn. STYRACOSAURUS TRICERATOPS CHASMOSAURUS