House Mouse

Mus musculus · Mammal, Vertebrate, Warm-blooded, Wild/Feral

House Mouse

Animal Family

Muridae, order Rodentia, class Mammalia

Animal Category

Wild Prey / Invasive Species

Breed / Variety

Standard wild-type house mouse

Conservation Status

Least Concern, population trend is stable and abundant globally.

About This Creature

Small rodent with a pointed snout, large rounded ears, small dark eyes, and a nearly hairless tail. Typically grayish-brown to light gray fur with a lighter belly. Head-and-body length ranges from 75 to 100 mm, with a tail of 50 to 100 mm.

Physical Characteristics

Slender body, four-toed front paws and five-toed hind paws, soft fur coat, whiskers for tactile sensing, incisors that grow continuously and require constant gnawing.

Behavior & Temperament

Crepuscular and nocturnal, highly adaptable, mostly solitary or living in loose communal hierarchies, communicates via ultrasonic vocalizations and scent marking.

Habitat & Diet

Origin Region

Originally Central Asia, now cosmopolitan across the globe in association with human habitations

Habitat

Urban/Suburban, Agricultural, Terrestrial and semi-fossorial

Diet & Nutrition

Omnivorous, primarily feeding on seeds, grains, and fruits, but will scavenge almost any human food source.

Lifespan & Health

Lifespan is typically under 1 year in the wild, up to 2-3 years in captivity; heavily preyed upon by cats, birds of prey, and snakes; high reproductive rate with multiple litters per year.

Special Characteristics

Exceptional ability to squeeze through tiny gaps, fast reproduction rates, serves as a common model organism in scientific research.

Ecological Information

Acts as an important prey base for numerous predators, can be a major agricultural pest and vector for pathogens, contributes to seed dispersal.

Notes

Looks like a mouse could be also a shrew

Identified on 10/2/2026