The deer mouse (Peromyscus maniculatus), sometimes called the field mouse, is a little bigger than a house mouse. It's easily distinguishable by its deer-like color, due to dense fur that's brown on ...

St Kilda's field mice can grow to twice the size of ... A second kind of mouse used to be found on the islands. The St Kilda house mouse - also larger than its mainland cousins - died out soon ...