Anyone else's cat do this? She vibrates her tail when she is happy to see me : r blackcats Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz Quivering, Wagging, Puffed Up: What is Your Cat's Tail Trying to Tell You? Understand Your Cat's Tail Language to Read Their Mood Pet Wellbeing Cat Tail Vibrating: Understanding Your Feline Friend's Movements