Scientific Name: Must musculus
Description: The house mouse is the most common and economically important commensal rodent. The house mouse is gray and weighs 1/2 to 1 ounce. Its body is three to four inches long and the tail is another 3-4” in length. The muzzle is pointed, the ears are large, and the eyes and body are small. Typically, house mice are slightly smaller than deer mice. Adult droppings (feces) are 1/8” to 1/4” long and rod-shaped with pointed ends.