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Range Description: Blue-gray Gnatcatcher - Polioptila caerulea

Summary of the extent of the breeding, wintering, migration and year-round range of this species in the Western Hemisphere, including Canada, U.S.A. and Mexico:

Canada - Breeding only: 117,950 square km
Caribbean - Resident year-round: 13,752 square km; Wintering only: 111,386 square km
Central America - Resident year-round: 62,045 square km; Wintering only: 147,223 square km
Mexico - Resident year-round: 1,654,673 square km; Wintering only: 297,117 square km
U.S.A. - Resident year-round: 587,403 square km; Breeding only: 4,148,669 square km; Wintering only: 125,744 square km

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