House Mouse

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

House Mouse

Animal Family

Muridae, order Rodentia, class Mammalia

Animal Category

Wild Prey / Invasive Species / Commensal Rodent

Breed / Variety

Wild type House Mouse

Conservation Status

Least Concern, with an extremely abundant and stable population globally due to high reproductive rates.

About This Creature

A small rodent with a pointed snout, large rounded ears, small dark eyes, and a nearly hairless, semi-long tail. The fur is short and brownish-gray.

Physical Characteristics

Compact body, short limbs with sharp claws, slender tail roughly equal to body length, specialized incisors that continuously grow.

Behavior & Temperament

Noxious/timid behavior, nocturnal to crepuscular activity patterns, highly prolific breeders, communicative via ultrasonic squeaks and scent marking.

Habitat & Diet

Origin Region

Originally native to Central Asia, now cosmopolitan and found worldwide associated with human habitations.

Habitat

Terrestrial, highly adaptable, frequently found in urban, agricultural, and grassland environments, often nesting indoors in buildings.

Diet & Nutrition

Omnivorous, feeding primarily on seeds, grains, fruits, and occasionally insects or human food scraps.

Lifespan & Health

Lifespan is typically less than a year in the wild, up to 2 years in captivity. High mortality due to numerous predators like cats, birds of prey, and snakes.

Special Characteristics

Exceptional ability to squeeze through tiny gaps, excellent senses of hearing, smell, and touch, frequently used as a laboratory model organism.

Ecological Information

Serves as a crucial prey base for a wide variety of carnivores and raptors, while also acting as an agricultural pest and seed disperser.

Identified on 9/2/2026
House Mouse - Mus musculus | Animal Identifier