Bank vole (Clethrionomys glareolus)
	Description	Rounder face than mice, small eyes and ears, medium length tail with dark upper and light underside. Fur reddish brown with a cream underbelly. Head and body length 81-123mm, weights 14.5-36g.
	Life cycle	Mainly diurnal, with a maximum lifespan of 18 months. Breeding season from April to October, gestation 16-18 days, 3-5 offspring in a litter that are weaned at 14 days. 4-5 litters a year.
	Habitat	Deciduous woodland, hedges, conifer plantations, prefers dense ground cover.
	Diet	Fruits, seeds and leaves plus insects and worms.
	Status
	Reserve	1998 census showed breeding populations in all parts of the reserve. To see a copy of a small mammal study carried out in 2001, click here:
	Britain	Pre-breeding population estimated at 23,000,000.