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.
Omnivorous, but prefers cereal grains.
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.
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.