Why does my cat shake its tail like this? : r cats Does anyone know why my cat vibrates his tail? Is it good bad? Kitty confidential: 13 secret signals all cat owners need to know from a quivering tail to aeroplane ears Cats The Guardian 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