Range Description: Shiny Cowbird - Molothrus bonariensis

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:

Caribbean - Resident year-round: 221,419 square km
Central America - Resident year-round: 30,370 square km
South America - Resident year-round: 13,177,444 square km
U.S.A. - Resident year-round: 19,799 square km