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Anguilla,Argentina,Belize,Bermuda,Bolivia,Brazil,Canada,Colombia,Costa Rica,Ecuador - mainland, El Salvador,Guatemala,Honduras,Mexico,Netherlands Antilles,Nicaragua,Panama,Paraguay,Peru,Russia, Trinidad and Tobago,United States - Alaska,United States - mainland,Uruguay,Venezuela,
IOC 11.2 Subspecies
Alaska, Canada, w, n, e USA and nw Baja California (nw Mexico)
sw USA and ne Baja California (nw Mexico)
extreme se Arizona and sw New Mexico (sw USA) to w, s Mexico