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Elf owls have a breeding range in the southwestern United States, from California to southern Texas; these birds migrate during the winter months to the western slopes of the Sierra Madre mountains.  Year-round they are found in the Mexican states of Baja California Sur, southern Sonora, and northern Sinaloa.   

Elf owls have a breeding range in the southwestern United States, from California to southern Texas; these birds migrate during the winter months to the western slopes of the Sierra Madre mountains.  Year-round they are found in the Mexican states of Baja California Sur, southern Sonora, and northern Sinaloa.   

Subspecies ''M. w. sanfordi'' is restricted to the southern end of Baja California, and does not migrate.  Subspecies ''M. w. graysoni'' was found only on the island of Socorro, some 600 miles west of the Mexican mainland.  Not seen alive since the early-1930's, this owl is believed to have been extinct since 1970.<ref>http://beautyofbirds.com/elfowls.html</ref>

Subspecies ''M. w. sanfordi'' is restricted to the southern end of Baja California, and does not migrate.  Subspecies ''M. w. graysoni'' was found only on the island of Socorro, some 600 miles west of the Mexican mainland.  Not seen alive since the early-1930s, this owl is believed to have been extinct since 1970.<ref>http://beautyofbirds.com/elfowls.html</ref>

==Breeding==

==Breeding==