To the east, stark outlines of cactus and thorny trees stand ... black-throated sparrow is a true desert bird, often going many days without water and living long distances from a water source.

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in, their rusty-colored stripes, and their small size. They’re as fierce as they are small: These 2.5-ounce raptors prey on ...

The curve-billed thrasher—the common thrasher of the rich, cactus-laden Sonoran Desert ... particularly in eastern birds. Tail has pale tips, the extent of which depends on subspecies.