What Does It Mean When A Cat's Tail Vibrates? Your cat's tail is talking are you listening? From flicks of frustration to swishes of overstimulation, tails can reveal so much about how your cat is feeling. #cats #catbehavior #bodylanguage Why Does My CAT'S TAIL WAG When I PET THEM? Tail Wagging MEANINGS! Why Do Cats Vibrate Their Tails? Reading Your Cat's Body Language Kinship A cat's tail is a powerful form of communication that reveals its emotions and intentions. When the tail is erect and twitching, the cat is usually excited or happy, while a straight up