Range Description: Cordilleran Flycatcher - Empidonax occidentalis

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: 240,462 square km
Mexico - Resident year-round: 511,220 square km; Breeding only: 156,279 square km; Wintering only: 83,398 square km
U.S.A. - Breeding only: 1,441,870 square km