Range Description: Chestnut-collared Longspur - Calcarius ornatus

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: 262,713 square km
Mexico - Wintering only: 502,239 square km
U.S.A. - Breeding only: 534,381 square km; Wintering only: 934,200 square km; Migration only: 1,017,569 square km