Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador - mainland,French Guiana,Grenada,Guyana,Netherlands Antilles, Paraguay,Peru,Saint Lucia,Saint Vincent and the Grenadines,Suriname,Trinidad and Tobago,Uruguay,Venezuela,
IOC 13.1 Subspecies
Group
Subspecies
Breeding Range
caucae
w Colombia
chrysauchenia
e Bolivia to c Brazil s to Tierra del Fuego
hypoleuca
w Ecuador and w Peru to nw Bolivia and n Chile
noronha
ne Brazil and Fernando de Noronha Is. (Brazil)
marajoensis
Amazon estuary (Brazil)
jessieae
lower Amazon (Brazil)
stenura
Lesser Antilles, Trinidad, c Colombia to the Guianas and n Brazil
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)
EU
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)
