Dinosaur social behavior varied widely among species. Some dinosaurs, like the Triceratops, are believed to have lived in herds, which provided protection from predators and increased their chances of finding food. Fossil evidence, such as trackways showing multiple individuals moving together, supports the idea of social interactions among certain species. Other dinosaurs, like the Tyrannosaurus rex, were likely solitary hunters. Their large size and predatory nature suggest they may have preferred to hunt alone rather than in groups. Overall, the social behavior of dinosaurs was influenced by their environment, diet, and physical characteristics.