Global Range: (200,000-2,500,000 square km (about 80,000-1,000,000 square miles)) Breeding range extends from southern Alaska, southern Yukon, British Columbia, and southwestern Alberta southward through Washington, Oregon, and western Montana to northwestern California and Idaho (Calder 1993, AOU 1998).

Winter range extends from coastal southern California (rarely), Sinaloa, Chihuahua, southern Texas, and Gulf Coast (east to western Florida) south to southern Baja California and southern mainland Mexico (e.g., Oaxaca, Veracruz (Calder 1993, AOU 1998). Individuals often occur ouside usual species range.

Coded range extent refers to breeding range.