The Science Behind Tail Communication Animals evolved to communicate without words, and tail movements are a vital part of ...

Tail wag usually means they’re happy. Cats are a bit more sophisticated and therefore a bit more difficult to understand. Let’s look at a few of the different meanings of a cat’s tail wags.

Generally speaking, a cat will stick their tail high up in the air when they're happy and confident. If that flagpole tail is quivering, it's likely a sign that they're super happy to see you.