The Gila woodpeckers and the “imperiled” cactus ferruginous pygmy owl nest inside saguaro cavities, while raptors like great horned owls and Harris hawks nest in the crooks of saguaro arms, he ...

The Gila woodpeckers and the “imperiled” cactus ferruginous pygmy owl nest inside saguaro cavities, while raptors like great horned owls and Harris hawks nest in the crooks of saguaro arms, he ...

The saguaro’s pleated trunk won’t accommodate a woodpecker cavity until it’s about eight feet tall, or 80 to 120 years old, Horst explains, and likely won’t host a raptor nest until it’s ...

Over the last five years, researchers have found that the death rate for saguaros in the Phoenix area jumped from 1% to 2% ...

The superstar of the Sonoran Desert is the saguaro cactus. From a distance an observer might be forgiven for wondering why someone planted a line of slightly misshapen telephone poles.

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.