Global Range: (20,000-2,500,000 square km (about 8000-1,000,000 square miles)) BREEDING: southeastern Alaska, southern British Columbia, northern Idaho, and western Montana south to central California (migratory populations); also southwestern Tamaulipas and southeastern San Luis Potosi, Yucatan Peninsula, western Mexico south to Panama, and in northern Venezuela (resident populations) (AOU 1983, Bull and Collins 1993, Rappole 1995). NON-BREEDING: central Mexico south through breeding range in Middle America and Venezuela; casual in California, southern Louisiana, and western Florida (AOU 1983, Bull and Collins 1993).