There is no estimate available of the population of wood mice in Ireland but there is no evidence of any population decline. It is a widespread resident across a broad range of habitats.

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The wood mouse is a mainly nocturnal inhabitant of dry woodland. It eats seeds, fruit, buds, insects, worms, centipedes, snails and fungi.

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It is an important source of food for other predators, including the barn owl.

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Image (c) from Hans Hillewaert, used under Creative Commons License BY-SA 3.0.