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House mouse

Scientific name: Mus musculus

Field notes

Appearance

House mice are small rodents with gray-brown to dark fur on the dorsum and lighter underparts. They have large ears, pointed snouts, and long naked tails equal to or slightly shorter than head-body length.

Size and weight

Adults weigh 20–35 g; body length 7–10 cm, with tail 7–10 cm. Males are typically 10–15% heavier than females.

Habitat

House mice inhabit human structures, agricultural areas, grasslands, and scrublands from sea level to moderate elevations. They thrive in proximity to food and shelter, particularly grain stores, buildings, and dense vegetation.

Distribution

House mice are found worldwide in association with human settlements and agricultural zones, and secondarily in wild grasslands and shrublands. They are absent only from polar regions and deep deserts.

Diet

House mice are omnivorous, feeding primarily on seeds, grains, and plant material, supplemented by insects and stored food in human environments; dietary composition varies seasonally with local food availability.

Behaviour

House mice are primarily nocturnal and crepuscular, most active at dusk and night. They are social animals living in hierarchical groups, with males defending territories; they move rapidly and frequently with erratic, exploratory behavior.

Hunting tips

Look for droppings (3–8 mm, rice-grain shaped) along walls, in corners, and near food sources; follow tracks in dust and mud showing parallel toe-prints and tail drag. Hunt at dusk or night with a headlamp near grain stores, outbuildings, or dense grass margins; move slowly and listen for scratching and squeaking to pinpoint activity.

Whole weight

This species is logged by whole weight — the animal weighed entire, as taken.

Where it is hunted

Listed as huntable in 1 country in Huntify.

Names in other languages

Current language: en

These field notes are general species knowledge, not legal advice. Always check the current seasons, quotas and firearm rules where you hunt.