 The colour of the underparts is pale grey, and the upper surface of the feet are covered in long and darker grey hair.This mouse is very similar in appearance to another native mammal, the bush rat "Rattus fuscipes", but it can be distinguished from the pink colour of that species feet and tail, which is hairless and scaly, and the elongated shape of a posthallucal pad on the lower surface of the foot.The face of the heath mouse is blunted in profile, resembling a Roman nose, and possesses bulging eyes, characteristics shared by the majority of the genus "Pseudomys".