Mice as a pest in your home can be very destructive. In order to control them properly, you must identify you are dealing with mice, not rats as control and habits can be slightly different depending on species. Mice have much smaller feet and bodies than rats, even as young, you will be able to distinguish by the size of their feet and tails. Mice cause damage from gnawing on wires, and other material to nest in and find warmth or comfort. Mice can enter in the smallest of openings about the size of your small finger, or ¼ “. Mice can carry disease and attract other pests, Be careful if you have spotted droppings, and be sure to sanitize the area.