Range Description: Least Flycatcher - Empidonax minimus

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: 4,158,528 square km
Central America - Wintering only: 375,931 square km; Migration only: 36,034 square km
Mexico - Wintering only: 639,457 square km; Migration only: 887,661 square km
U.S.A. - Breeding only: 1,972,543 square km; Wintering only: 10,530 square km; Migration only: 3,497,569 square km