Early pterosaurs — informally called "pterodactyls" — had long tails with thin, leaf-shaped flaps of tissue on the end called vanes. This vane would have compromised their flight if it were ...

Why exactly do beavers slap their tails? Beavers are such an interesting animal with a specific method of communicating danger to the colony. With tail slapping, they can warn the rest of their ...

Mouse lemurs sleep aloft during the day and forage at night for insects, fruit, flowers, and other plants. These adaptable primates store fat in their tails and hind legs, burning it when forage ...

They cover their long tails with smelly secretions and wave them in the air to determine which animal is more powerful. Ring-tailed lemurs live in groups known as troops. These groups may include ...

Be it funny faces, contortionist-like sleeping positions, or moments of energetic mania, dogs have character and personality. One common dog quirk involves chasing their own tails. While many dogs ...