It also may burrow itself in the ground. It cares for its young by providing its young with milk and bathing them. Some other interesting facts are the rats' heart beats 260-600 times in one minute. The Norway rats are excellent swimmers and divers. Rats breed 12 times in one year with 2-22 young.
Rats are nocturnal animals.
This is an examole of a Black Hooded Norway rat. Back to the animal index.