The Cassin’s Sparrow is a medium-sized sparrow, plain, dull-colored and often elusive birds in their brushy grassland habitat. It ranges from western Nebraska to north-central Mexico.
Brewer's sparrow is a small, slim species of American sparrow in the family Passerellidae.
The Botteri's Sparrow is primarily found in Mexico with a breeding range that extends into the southeastern tip of the U.S. state of Arizona. It has a small non-migratory population in the Rio Grande Valley of southern Texas, which is threatened by habitat loss.
The Black-throated Sparrow is a small American sparrow primarily found in the southwestern United States and Mexico.
The Black-chinned Sparrow is a small, long-tailed, pale gray sparrow with a contrasting brown back and a small pink bill. That is generally found in chaparral, sagebrush, arid scrublands, and brushy hillsides.
The Bell's Sparrow is a medium-sized sparrow of the western United States and northwestern Mexico.
The Bachman’s Sparrow is a small American sparrow that is endemic to the southeastern United States. They are brownish-gray above with rusty-streaked feathers and a rusty crown.