Mice are noticeably smaller than rats, about 4 to 6 inches long from nose to tail. Depending on the species, they can be light brown or Gray in colour. In the Northeast, the house mouse,deer mouse,and field mouse are the most commonly seen, with the house mouse living indoors year-round.
Rats range from 13 to 19 inches long and are typically brown or gray in color. Their oversized incisors never stop growing, making them exceptional gnawers.In the Northeast, the house mouse, deer mouse, and field mouse are the most commonly seen.