This nocturnal mouse lives in grassland and dunes in the southeastern United States. It digs underground burrows and stores seeds. Coastal animals tend to have paler coats than inland populations.
The tail is brown above and white below. Coat color varies by locality and subspecies; coastal populations tend to have less-pigmented fur than inland ones.
It is mainly nocturnal and digs extensive burrows. It eats grass and herb seeds, stores them underground, and also consumes arthropods.
An extinction-risk assessment has not been added yet.