Range Description: Parasitic Jaeger - Stercorarius parasiticus

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: 2,436,271 square km; Migration only: 1,622,200 square km
Caribbean - Wintering only: 82,869 square km; Migration only: 2,815,411 square km
Central America - Migration only: 1,168,338 square km
Mexico - Wintering only: 632,809 square km; Migration only: 2,139,166 square km
South America - Wintering only: 3,815,335 square km; Migration only: 5,489,954 square km
U.S.A. - Breeding only: 439,524 square km; Wintering only: 420,182 square km; Migration only: 4,305,299 square km