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Hummingbird Springs Wilderness
The 31,000 acre Hummingbird Springs Wilderness can be found in western Arizona, northwest of Phoenix.
Colorful Sugarloaf Mountain stands above the other local mountains, forming a large area of bajadas and washes. There are two major ecological zones here - Arizona Upland Sonoran Desertscrub and Lower Colorado River Sonoran Desertscrub. The east side of the Wilderness supports a Jojoba-Mixed Scrub community with the key species being being Jojoba (Simmondsia chinensis). Other plants you can find here include White Thorn Acacia (Acacia constricta), Ironwood (Olneya tesota), Ocotillo (Fouquieria splendens), Teddy Bear Cholla (Cylindropuntia bigelovii) and Brittlebush (Encelia farinosa).
Rare and endangered animals abound here including Desert Tortoise, Gila Monster, Kit Fox, and Desert Bighorn Sheep.