Why Do Cats Vibrate Their Tail? This Is What They Might Be Signalling With It We Love Catz Your cat's tail is literally talking to you are you listening? That little flick? Warning. That slow swish? Full hunter mode. That tiny shake when you walk in the door? Pure Do you know what your cat's body language means? Cat's body language can help us understand the mood and status of cats very well, so as to get along with them more What is she trying to tell me? Vibrating tail??? Why Do Cats Vibrate Their Tails? Reading Your Cat's Body Language Kinship How to Read Your Cat's Tail Language and Meaning PetMD