A rat without a tail will not survive long in the wild because it will become easily susceptible to predators, due to its lack of balance. A rat may be able to live without a tail, but it will be prone to accidents. ... The other primary function of the tail is to regulate a rat's body temperature.

Does a rat need its tail?

Rats use their tails to help them keep their balance, to communicate and to keep their bodies at the right temperature. The tail works so well for balance that it makes rats excellent climbers! Rats have really good memories. ... Rats also don't get lost because they are so good at remembering their way around!

Can you amputate a rats tail?

Excision of a few millimeters from the end of a mouse's tail and partial amputation of the mouse's tail are minor surgical procedures and, as such, must be performed in accordance with Public Health Service guidelines and policies for survival rodent surgery.