Cat Tail Language 101 Cats can communicate using just their tails! From playful wiggles to graceful curls, your cat's tail has a lot to say. Uncover the secrets of your feline Purina Cat Tail Language: Why Do Cats Wag Their Tails? Why Do Cats' Tails Puff Up? Causes and What to Do Kinship What it means if you cat's tail shakes like this Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz