Lemurs, lizards, whales — all are famed for their tails in some way. But which animal has the longest tail of all? In proportion to their bodies, grass lizards have the longest tails of any ...

Enjoy our expertly researched article about why cats have tails. From the biological reasons to the body language, you may be surprised!

Narrator: Tails are like opinions — basically everyone ... Now, walking like this gives us a huge advantage Because unlike four-legged animals, which have to pour energy into every step they ...

Our very ancient animal ancestors had tails. Why don't we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed tails.

Why do cats wag their tails? Cats are extremely expressive, and much of what they are expressing comes from their tail.

The long structures seen in manta rays and their relatives function as an early warning system, rather than a defensive ...