House Mouse

House Mouse Facts

Scientific Name:

Mus Musculus meaning "little thief"


Dusty gray


½-1 ounce


2.5-4 inches

Tail Length:

As long as body - up to 4 inches


Small head & slender body


Moderately large ears


Small & somewhat protruding; color blind


1-2 years


¼ inch long with pointed ends; dark color


Other Names: Common House Mouse, Domestic House Mouse

Excellent hearing, vision, smell and touch have enabled the mouse to be highly adaptable to homes and indoor buildings. All they need is a 1/4" opening to be able to enter a building, so they often have access to many places along the building's perimeter.


Diet of the House Mouse

Daily Amount:

1/10 Ounce

Daily Water:

Utilizes moisture in food

Daily Food:

Cereal grains, meats, seeds


Habitat of the House Mouse


Throughout the US & south of Boreal Forest in Canada

Nest Location:

Corners in cluttered areas, base voids of appliances; Less than 30ft from food source

Home Range:

6-30 ft from nest

Active Periods:

Nocturnal; most feeding occurs 30 minutes after sunset and before sunrise

Reproduction of the House Mouse

Litter Size:

5-7 pups per litter

No. of Litters:

6- 10 per year

Sexual Maturity:

1 month

Gestation Period:

20 days

Breeding Season:

Indoors: All year; Outdoors: Spring & Fall

Top 10 High Activity Areas

  • Secluded corners
  • Beneath cabinets
  • Furniture voids - couches, chairs, dressers
  • Bases of kitchen appliances - refrigerator, stove
  • Ceiling and wall voids near corners and heat sources
  • Top of basement and crawl space foundation walls
  • Cluttered, neglected office drawers in desks
  • Storage boxes in closets
  • Cluttered garages
  • Bases of water heaters


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