Apodemus sylvaticus
Description
Easily identified by its very large eyes and ears. Dark brown back, paler flanks and greyish white underneath. Tail is as long as its head and body and is darker above than below. Head and body length 70-93mm
Our most commonly recorded mouse found in 24 out of 35 hectads (21 since 2010). Often recorded by finding hazlenuts in woodland which have tooth marks on both the inner edge of the hole and around the outside of the nut.
Photographs - Wood Mouse © Sean Browne, Hazlenut © Michael Walker