a) Sonoran Desert

The Sonoran Desert, famous for its stunning Saguaro cactus, spans across parts of Arizona and California in the United States, and Sonora in Mexico. The Saguaro cactus, recognized for its tall stature and iconic arm-like branches, is synonymous with the American Southwest’s desert imagery. This desert is known for its diverse ecosystem and relatively high rainfall compared to other North American deserts, supporting a variety of plant and animal life. The Sonoran Desert’s unique landscape and biological diversity make it a significant ecological and cultural region.