The Andean Big-eared Mouse has long, coarse gray-brown fur on its back and a white underside. It is active by day and shelters among rocks.
Its fur is long and coarse, grayish brown on the back and white underneath. The tops of its feet are also pale.
It is active by day and is apparently social. It shelters under rocks, in rock walls, or in burrows made by other animals.
An extinction-risk assessment has not been added yet.