The mound-building mouse is a brown wild mouse that resembles the house mouse. In autumn, young mice build mounds of soil and vegetation and spend winter underground.
It is brown overall and looks much like its close relative, the house mouse.
Young mice of the year build mounds of soil and vegetation in autumn, with burrows beneath them, and spend winter underground. Reproduction is delayed until the following spring.
An extinction-risk assessment has not been added yet.