A brash, noisy woodpecker with zebra stripes down its back has found an unusual place to call home. The Gila woodpecker has ...

Bearing the state flower of Arizona, the saguaro cactus remains an essential part of the Sonoran Desert’s identity. The 40-60 foot-tall saguaro and its fruit are great natural resources for both ...

In the Sonora Desert in Arizona, the saguaro cacti grow tall and live long. One cactus known to locals as “Strong-Arm” stood more than 40 feet high and had 34 arms. Strong-Arm lived an estimated 150 ...

Record-high temperatures over the last few years in many parts of the United States have contributed to major stress on plants, animals, and humans. The extreme heat, coupled with a lack of rainfall, ...

SAGUARO NATIONAL PARK, Ariz.—As the sprawl of homes begins to dissipate on the outskirts of Tucson, forests of saguaro cacti rise in its place, their arms twisting and twirling as if waving a welcome ...

The saguaro cactus may be the most recognizable plant in the Southwest. It’s so entwined with this region that it adorns buildings, logos, signs and license plates throughout Arizona. Its likeness has ...