Range Description: White-faced Ibis - Plegadis chihi

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: 10,873 square km
Central America - Wintering only: 27,941 square km
Mexico - Resident year-round: 201,169 square km; Wintering only: 1,525,116 square km; Migration only: 32 square km
South America - Resident year-round: 3,834,367 square km
U.S.A. - Resident year-round: 306,656 square km; Breeding only: 948,133 square km; Wintering only: 49,576 square km; Migration only: 2,683,469 square km