On a 26-mile ascent from the floor of the Sonoran Desert to the peaks of the Santa Catalina Mountains north of Tucson, a motorist climbs from thorny mesquite and cactus (saguaro, ocotillo ...

An American desert icon is dying off in the southwestern United States. Experts say record-setting summers and intense ...

“Nobody wants a two-inch cactus needle to go through them.” Many ecosystems evolved to live with wildfire, but the Sonoran ... alter desert ecosystems, affecting habitat and wildlife as ...

In much of the Sonoran Desert habitat, saguaro cactuses are the dominant plant, towering above mesquite trees, agaves and barrel cacti. The saguaro cactus has a critical role in the desert community.

Arroyo Grande's vulnerable species include the cactus ferruginous ... of the Sonoran Desert Conservation Plan." The plan, which is nationally recognized, aims to preserve habitat and threatened ...

Saguaro cacti are native to the Sonoran Desert ... In addition, cacti can be used as food and water sources in desert habitats. Cactus fruits are often eaten fresh, and the flesh of the cactus ...

A clandestine group has spent thousands of hours searching the Sonoran Desert for ... 100,000-square-mile desert for crested saguaros — the largest cactus in the US, which often grows over ...

Researchers who record sounds made by bats in Arizona's Sonoran desert are creating a catalog to identify which species are in decline from habitat loss ... giant Saguaro cactus might not exist ...

The cactus even has its own national park. The saguaro is also a keystone species of the Sonoran Desert. More than 100 ... which it is spreading to habitats with species like saguaros that haven ...