Tails might look like nature’s afterthought but for many animals, they’re multitasking power tools. Whether it’s balancing, fighting, flirting, or escaping predators, tails do way more than just wag.

You may have noticed that your cat's tail moves in all sorts of ways, from quivering in an upright position, to swishing from side to side, to being held down close to the ground. But besides using ...

Sooner or later, everybody who lives with a dog finds himself asking the question "Why does my dog have a tail?" It turns out that there are several good reasons why tails are a useful piece of ...