Why does my cat shake her tail like this? : r cats Why Do Cats Wag Their Tails? We Asked a Cat Behavior Expert Why Do Cats Shake or Vibrate Their Tails? Vet Verified Reasons Explained Catster Cat Tail Language: 10 Secret Messages Your Cat Is Sending You With Their Tail Chewy Cat Tail Language: Common Positions & What They Mean Cat Tail Language: What Your Cat's Tail Really Means