Wood mice are primarily seed eaters, particularly seeds of trees such as oak, beech, ash, lime, hawthorn, and sycamore. If seeds are plentiful on the ground, they carry them back to their nests/burrows for storage. They may eat small invertebrates such as snails and insects, particularly in late spring and early summer when seeds are least available. They also consume berries, fruits, and roots. During the colder months, wood mice do not hibernate; however, during severe winter seasons they fall into a sort of torpor, a decrease in physiological activity. They are mainly active during the dark, and are very good climbers. While foraging, wood mice pick up and distribute visually conspicuous objects, such as leaves and twigs, which they then use as landmarks during exploration. If a wood mouse is caught by its tail, it can quickly shed the end of it, which may never regrow. Despite its name, it prefers hedgerows to woodland. To prevent predation, wood mice tend to forage in covered microsites.
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