Range Description: Black-billed Magpie - Pica hudsonia

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 - Resident year-round: 2,037,866 square km; Wintering only: 47,918 square km
U.S.A. - Resident year-round: 3,248,444 square km; Wintering only: 327,229 square km