Cat Tail Vibrating: Understanding Your Feline Friend's Movements What Is This Cat Doing?!, ., ., ., #cat #cats #catbehavior #stitch #beautifulcats #catlover #kitten #kittens #kittenoftheday #cats_of_instagram Why Does My Cat's Tail Twitch? 6 Vet Reviewed Reasons Catster Does your Siamese cat's tail vibrate when excited? What does this tail shake say? What it means if you cat's tail shakes like this