Range Description: Nelson's Sparrow - Ammodramus nelsoni

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: 1,119,619 square km
U.S.A. - Breeding only: 219,717 square km; Wintering only: 212,430 square km; Migration only: 1,212,397 square km