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House Mouse

(Mus domesticus)

Size: 6-10cm – 10cm tail Weight: 12-22g Lifespan: max. 2 years

MHMH

Identification: A uniform coloured fur which can vary from grey to dull brown. They have large pink ears, medium sized eyes and a long scaly tail make this mouse quite distinctive. The only confusion species are juvenile wood mice. General: A species most common in inhabited areas but can also be found in other habitats throughout the countryside. A prolific breeder, they can breed all year round. Half a dozen young are usually born sometimes into communal nests - the young being weaned in 3 weeks and able to breed 1 week later. They are highly adaptable and opportunistic being omnivorous although preferring to feed on seeds and grains - they can be particularly destructive in houses and feed stores eating almost anything. They travel widely in search of food, are very agile, largely nocturnal, and are widely Droppings predated. They make unpopular house residents as they have a SE distinctive smell and use their urine to mark their territory. Distribution - UK: There are approx. 10 million house mice distributed widely throughout the UK but this number is thought to be an under estimation. The population is thought to be declining. 21

Cambridgeshire Mammal Atlas  
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