House Mouse

Mus musculus

Appearance

Image of House Mouse [Mus musculus] | Ehrlich Pest Control
  • 2 3/4" – 3 3/4" in length, with a tail around the same length.
  • 12 – 30g in weight.
  • Their relatively small feet & head and large eyes & ears distinguish them from a young brown rat (Rattus norvegicus).

Lifecycle

  • 4 – 16 young per litter; 7 – 8 litters a year.
  • Gestation period of about 3 weeks.
  • 8 – 12 weeks from birth to sexual maturity.

Habits

  • Usually ground living and burrowing, but often climbs.
  • Preferred food is cereals.
  • Will eat around 3g of food a day and can survive without any additional water. They will drink up to 3ml a day if their diet is particularly dry.

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