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 ...

This section of the Sonoran ... native plant species, such as saguaro, cholla, mesquite and palo verde trees, and ocotillo. Hike on the park's nine scenic trails or take a drive on the 21-mile Ajo ...

The ideal time to see the cacti bloom in deserts is usually from late March to early May. This timeframe can shift a bit ...

Climate change, drought, and fires — all caused or worsened by human activity — are rewriting the future of ancient Sonoran ...

“The Sonoran Desert is unravelling before our very eyes ... but habitat loss to urbanization and agriculture is ongoing and the species is expected to continue to decline. Cactus ferruginous pygmy ...

Cactus ferruginous pygmy owls are named for the saguaro ... These tiny owls have become synonymous with wild Sonoran Desert: Endangered Species Act protections for the owl initiated a new era of urban ...

found only in the Sonoran Desert. This towering plant, which can grow up to 60 feet tall and live for more than 200 years, is the largest cactus species in the country. Its fruit is a culturally ...