What's the function of animals' tail ?

Answer 1

depends on the animal. it can be for balance (kangaroo), to move around with (monkey), to swat flies (cow), for body language (dog), for warmth (cat), protection (beaver), propulsion (dolphin), and on and on

Answer 2

Usally it is for balance as seen in monkeys and cheetahs but it can be used in communicatoin too, as seen in dogs

Answer 3

balance, and mateing signs sometimes