Why Do Cats Vibrate Their Tails? Reading Your Cat's Body Language Kinship What does this tail shake say? : r cats Understanding Your Cat's Vibrating Tail Behavior Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz Why Is My Cat's Tail Twitching? Is This Normal? Chewy Anyone else's cat do this? She vibrates her tail when she is happy to see me