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The tail serves many functions.

First, it helps regulate body temperature.

Second, it helps stabilize balance, which helps rats climb.

Third, the tail provides a defense mechanism. The tail can be torn off in a process known as degloving; this is particularly handy if a predator captures the rat by the tail. The tail will pull off, allowing the rat a chance to escape. However, this is an injury (meaning it is painful for the rat) and can lead to infection. Degloving is one reason why you should NEVER pick your rat up by the tail!

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15y ago

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