1, to help jump: in the jump, a large tail can help the squirrel to maintain balance, control the direction, can increase the squirrel's jumping distance, straighten the tail, you can easily jump out of more than ten meters away, which is one of the squirrel's special skills, can be encountered when hunting ferocious animals, rapid escape.

2, safe landing: in the process of jumping down from a high place, the large tail plays the role of a parachute, increasing air resistance, so that the squirrel's buoyancy increased, so that the landing speed has been slower, to ensure the safety of the squirrel. And the fluffy tail is like a sponge, it can't fall on the squirrel at all.

3, warmth: In winter, this big tail will become a squirrel winter magic weapon, is simply a natural fur coat. Covered in the body that is really warm.

4, to protect themselves: when in danger, squirrels often use their tails to swing back and forth to confuse the enemy and protect themselves.

5, social tools: squirrels and squirrels communicate with each other, but also often use the tail, such as seeing acquaintances to say hello, or collective action, the squirrels will be through the tail to exchange information and coordinate action.