Wood mouse (Apodemus sylvaticus)
	Description	Brown fur with whitish underside, large ears, long tail and protruding eyes. Some have a yellowish/brown patch of fur between the fore legs. Head and body length is 81-103mm and weights 13-27g. Males are larger than females.
	Life cycle	Males live separately from females and increase their homerange to 2-3 times that of the females during the breeding season (March to October). 4-7 young are born in each litter and are weaned at 18-22 days, females can breed at a weight of 12g and most have successive litters in the season. Most mice do not live more than 1 year. They are mainly nocturnal.
	Habitat	Found in most habitats, especially scrub, woodland and hedgerows. They occupy a system of burrows with nest and storage chambers connected to many entrances.
	Diet	Seeds, greenplants, fruits and insects.
	Status
	Reserve	Census in 1998 showed breeding populations throughout the reserve. To get a copy of a small mammal study carried out in 2001, click here:
	Britain	Pre-breeding population estimated at 38,000,000.