Anyone else's cat do this? She vibrates her tail when she is happy to see me : r blackcats Quivering, Wagging, Puffed Up: What is Your Cat's Tail Trying to Tell You? Why Is My Cat's Tail Twitching? Is This Normal? Chewy Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz Why Is My Cat Puffing Their Tail? 4 Vet Reviewed Reasons Hepper Pet Resources