The Sonoran Desert, also known as Desert Gila (in reference to the Gila River) is a desert located in North America, which crosses the border between the U.S. and Mexico, affecting a wide area covering two thirds of Arizona, California and the Southeast region of the Mexican Sonora. It is one of the largest and hottest deserts in North America, with an area of \u200b\u200bapproximately 311,000 km ², and is characterized by a remarkable variety of animals, mainly reptiles, but birds. The plants are generally capable of very high resistance to heat and drought, in addition to temperature. Some, such as the Saguaro cactus ( Carnegieia gigantea), are unique and peculiar to that region. Some very specialized birds live in the Sonoran Desert, and among them an important role is played by Gila Woodpecker (Melanerpes uropygialis ) that is able to dig nests in the "logs" of the Saguaro cactus.
nests abandoned by woodpeckers can be occupied by other species, like the little owl called Elf cactus ( Micrathene whitney )
Even the ' Assiolo of Kennicott (Otus Kennicott ) covers the holes in the Saguaro
addition to native species, even birds from "foreign" have learned to use the holes in the cactus. From Africa to the budgie Inseparable facciarosa (Agapornis roseicollis )
From Europe the Sparrow (Passer domesticus )
The cactus wren ( Campylorhynchus brunneicapillus ) instead of the nest if he builds it in the branches of the Saguaro.
Finally, the ' Auriparo ( Auriparus flaviceps ) loves refuge is the thorns of cactus:
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