What Does It Mean When A Cat's Tail Vibrates? Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz Why Do Cats Vibrate Their Tails? Reading Your Cat's Body Language Kinship Your cat's tail is talking are you listening? From flicks of frustration to swishes of overstimulation, tails can reveal so much about how your cat is feeling. #cats #catbehavior #bodylanguage Understanding Your Cat's Vibrating Tail Behavior