Range Description: Mountain Bluebird - Sialia currucoides

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: 1,782,715 square km
Mexico - Wintering only: 865,690 square km
U.S.A. - Resident year-round: 956,990 square km; Breeding only: 1,623,779 square km; Wintering only: 937,246 square km