Appearance:

Small and slender, three to four inches long, with large ears, small eyes and pointed nose. Light brown or light gray. Droppings are rod-shaped.

Habit:

Nests within structures and burrows. Establish a “territory” near food sources that are generally 10 to 30 feet from nest. Inquisitive, but very wary. Excellent climbers.

Diet:

Omnivorous, but prefers cereal grains.

Reproduction:

Prolific breeders by two months of age. Can have litters as often as every 40 or 50 days, with four to seven young per litter. Live up to one year.