The white-eared pocket mouse[1][2] (Perognathus alticola) is a species of rodent in the family Heteromyidae.

They are named after their feature of having white or yellowish hair on the external portion of their ear.

The back of the mouse is yellowish brown with blackish lines and the underbelly of it is white.

They inhabit arid shrubs and forests at elevations greater than 1,500 m (4,900 ft).

They can also be found in chaparral, coastal-sage, and areas with an abundance of Salsola .