This sparrow is found on the Pacific slope of southern Mexico. It has a rufous crown and cinnamon-colored flanks and undertail.
Its upperparts are grayish brown with black streaks, and its rufous crown has a gray median stripe. The flanks and undertail are cinnamon-colored.
It lives in arid plains and scrub and is usually seen in pairs or small flocks. It is active at dawn and harder to see later in the day.
An extinction-risk assessment has not been added yet.