Range Description: Chestnut-sided Warbler - Setophaga pensylvanica

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: 1,581,302 square km; Migration only: 38,402 square km
Caribbean - Wintering only: 221,231 square km
Central America - Wintering only: 413,666 square km; Migration only: 379 square km
Mexico - Wintering only: 114,921 square km; Migration only: 258,358 square km
South America - Wintering only: 517,533 square km
U.S.A. - Breeding only: 834,239 square km; Migration only: 3,354,250 square km