
Photo: (c) Noland Aull, some rights reserved (CC BY) · CC BY
Mus musculus
Rare visitor: recorded only occasionally in this country
Diet
Mainly plant matter; omnivorous
Habitat
Hidden places near food sources, including buildings
Size
Body 7.5–10cm; tail 5–10cm
Weight
11–30g
The house mouse is a small rodent with a pointed snout, large rounded ears and a long, almost hairless tail. The body is 7.5–10 cm long with a 5–10 cm tail, and it typically weighs 11–30 g. In the wild the colour ranges from grey and light brown to black, the individual hairs being agouti-coloured. It is one of the most abundant species of its genus and has benefited greatly from association with humans (Wikipedia, general species account).
House mice are mostly crepuscular or nocturnal and avoid bright light. They live in a wide variety of hidden places near food sources and build nests from soft materials. They are territorial, with one dominant male usually living with several females and young. They feed mainly on plant matter but are omnivorous. When eating, fighting or orienting, they rear up on the hind legs with support from the tail, a behaviour called tripoding.