These tiny owls have become synonymous with wild Sonoran Desert: Endangered Species Act protections for the owl initiated a new era of urban planning in southern Arizona. Within the bird's critical ...
The curve-billed thrasher—the common thrasher of the rich, cactus-laden Sonoran Desert—can be very conspicuous, sitting up on saguaro or cholla cactuses, making its presence known by its loud ...
The reserve is home to desert wildlife that evolved over millions of years, freely crossing the U.S.-Mexico border. The wall blocks essential movement and migration, fragments habitat, and limits ...