burrowing habit of brown rat
Rats are known to burrow extensively, both in the wild and in captivity Rats generally begin a new burrow adjacent to an object or structure, Burrows usually develop to eventually include multiple levels of tunnels, as well as a secondary entrance. Older male rats will generally not burrow, while young males and females will burrow vigorously.
Burrows provides rats with shelter and food storage as well as safe, thermo regulated nest sites. Rats use their burrows to escape from perceived threats in the surrounding environment for example, rats will retreat to their burrows following a sudden, loud noise or while fleeing an intruder. Burrowing can therefore be described as a "pre-encounter defensive behavior, such as flight, freezing, or avoidance of a threatening
i have a very fine burrowing behaviour H D Video on this rat
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