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.
The wood mouse is a mainly nocturnal inhabitant of dry woodland. It eats seeds, fruit, buds, insects, worms, centipedes, snails and fungi.
It is an important source of food for other predators, including the barn owl.
Image (c) from Hans Hillewaert, used under Creative Commons License BY-SA 3.0.