Why does my cat shake her tail like this? Understanding Your Cat's Vibrating Tail Behavior Why does my cat shake her tail like this? : r cats 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 Anyone else's cat do this? She vibrates her tail when she is happy to see me