Range Description: Hammond's Flycatcher - Empidonax hammondii

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: 953,790 square km
Central America - Wintering only: 139,262 square km
Mexico - Wintering only: 644,402 square km; Migration only: 876,666 square km
U.S.A. - Breeding only: 1,800,077 square km; Migration only: 1,184,483 square km