Rattlesnake Tail is one of the signs of the *most* excited happy cats. It can be confused with the behavior of spraying, but in a fixed cat, its actually just an extremely excited cat!!!!! #happycat Cat Tail Language Meanings: What Each Flick, Swish & Curl Means What does this tail shake say? : r cats Why does my cat shake its tail like this? : r cats What does this tail shake say? : r cats What are Your Cat's Tail Movements Telling You