House Mice can be destructive homes, as they will chew on and contaminate different areas of the structure. House Mice are much smaller proportionally than rats, particularly in the head and feet, and will continually excrete their waste as they move about. The house mouse has a light-colored belly, but their other skin and hair color can vary from light brown all the way to black. House Mice will also reproduce rapidly, and are extremely mobile. Because of their smaller frames, house mice can fit into spaces as small as a dime. They will utilize power lines and foliage to gain access to attics and rooftops, and once within a house will use pipe chases and interior wall voids to move from area to area. House mice will eat just about anything they come across, especially inside of a residential environment.