Argentina,Belize,Bolivia,Brazil,Colombia,Costa Rica,Ecuador - mainland,El Salvador,French Guiana,Guatemala, Guyana,Honduras,Mexico,Netherlands Antilles,Nicaragua,Panama,Paraguay,Peru,Suriname,Trinidad and Tobago, United States - mainland,Uruguay,Venezuela,
IOC 13.1 Subspecies
Group
Subspecies
Breeding Range
capitalis
Tres Marías Is. (off w Mexico)
decipiens
e Peru, Bolivia and w, c, e Brazil
approximans
ne Brazil
brasiliensis
the Guianas and n Brazil
decolor
w Colombia to w, n Peru
hernandezi
sw Colombia
tobagensis
Tobago
verreauxi
sw Nicaragua and Costa Rica to n Venezuela, Netherlands Antilles and Trinidad
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)
