Range Description: Common Loon - Gavia immer

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: 7,188,776 square km; Wintering only: 226,585 square km; Migration only: 353,537 square km
Mexico - Wintering only: 311,116 square km
U.S.A. - Breeding only: 1,712,332 square km; Wintering only: 742,392 square km; Migration only: 7,034,241 square km