Hertfordshire Biological Records Centre

Species of Hertfordshire

Wood mouse Apodemus sylvaticus

Conservation Status: Common

Hertfordshire: Under recorded.

Protection: No legal protection.

General Information: The most common wild rodent; easily recognised by their brown fur, whitish chest, protruding eyes, large ears and long tail. They are highly adaptable and frequently found in woodland, hedgerows, arable land, grassland, gardens, outbuildings and houses. Wood mice mainly feed on seeds, green plants, fruits and animal foods; sometimes becoming pests of stored food in buildings but seldom causing much economic damage. Most wood mice live in underground burrows, which can be fairly complicated including nest chambers and food stores.

Threats: Very few. They can be killed by rodenticides put down for rats and house mice but recolonisation after mortality tends to be very rapid. Their natural predators include foxes, weasels, owls and domestic cats.

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