movement of a cat's tail communicates its emotional state. The tail
wagging of a cat in conflict is perhaps the most familiar, but there
are other tail signals that humans might learn for a clue about kitty's
mood at the moment:
The tail is curved gently downward and then curves up again at the tip.
The cat is relaxed and at peace with the world.
The tail is raised slightly and softly curved.
The cat is beginning to get interested in something.
The tail is held erect, but tip is tilted over.
The cat is very interested and is in a friendly mood, but has slight reservations.
The tail is fully erect, and tip is stiffly vertical.
The cat is offering an intense greeting without reservations.
The tail is erect with whole length quivering gently.
The cat is displaying affection, as in response to a greeting by a favored human.
The tail is held still, but tip is twitching slightly.
The cat is mildly irritated.
The tail is swishing vigorously from side to side.The cat is angry and about to attack.
The tail is arched and bristled.
The cat is defensive and may attack if provoked further.
The tail is lowered and fluffed out.
The cat is indicating an active fear.
The tail is fully lowered and may be tucked between hind legs. The cat is giving a signal of defeat or total submissiveness.
The tail is held to one side.
The female cat in heat is inviting a sexual encounter.
***Take this page as entertainment value, because if cats ever found out
that we were onto their tail signals, they'd just change them anyway!.