- Balance: Some dinosaurs, such as the stegosaurus, had long tails that helped them balance while walking.
- Defense: Some dinosaurs, such as the ankylosaurus, had large, club-like tails that they could use to defend themselves from predators.
- Communication: Some dinosaurs, such as the triceratops, had elaborate tail feathers that they used to communicate with each other.
- Propulsion: Some dinosaurs, such as the Liopleurodon, used their tails to propel themselves through the water.
- Climbing: Some dinosaurs, such as the Microraptor, used their tails to help them climb trees.
- Grasping: Some dinosaurs, such as the Archaeopteryx, used their tails to grasp branches and other objects.