Range Description: Worm-eating Warbler - Helmitheros vermivorum

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:

Caribbean - Wintering only: 221,231 square km
Central America - Wintering only: 368,107 square km; Migration only: 113,142 square km
Mexico - Wintering only: 314,615 square km; Migration only: 145,907 square km
U.S.A. - Breeding only: 1,753,638 square km; Migration only: 413,324 square km