What Does It Mean When A Cat's Tail Vibrates? Cat Tail Language 101 Cats can communicate using just their tails! From playful wiggles to graceful curls, your cat's tail has a lot to say. Uncover the secrets of your feline Why Does My Cat's Tail Vibrate When I Pet Him? Desk Cat Nest How to Read Your Cat's Tail Language and Meaning PetMD Why Do Cats Shake or Vibrate Their Tails? Vet Verified Reasons Explained Catster What Your Cat's Tail Can Tell You