This small shrew occurs in the southwestern and south-central United States and central Mexico. It has been recorded in dry habitats.
Its coat ranges from silvery to brownish or lead-grey. The underside is pale, and its whiskers and ears are conspicuous.
It mainly eats insects and other arthropods and is active at various times by day and night. It moves quickly and directly, and may cache food.
An extinction-risk assessment has not been added yet.