A Harris's antelope squirrel amongst the spines of the cholla cactus, where it painstakingly searches for cactus fruit - one of the only sources of moisture around. Whilst filming the amazing ...

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 ...

Smaller project this week while I work on some larger projects and catch up on some coffee mug orders. Made from Cholla ...

Assistant producer Lance Featherstone removes the spines of the Cholla cactus from a glove, after David plunged it into the cactus to demonstrate its vicious defences. Team doctor Patrick Avery ...

The Cholla Cactus Garden, located about 12 miles south of the park's North Entrance, is home to one of the few stands of cholla cactus in the park. The short, quarter-mile Cholla Cactus Garden ...