Range Description: Thick-billed Kingbird - Tyrannus crassirostris

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:

Mexico - Resident year-round: 409,641 square km; Breeding only: 74,231 square km; Wintering only: 36,749 square km
U.S.A. - Breeding only: 22,514 square km