Tuvalu,Tonga,Seychelles,Nauru,South Africa,Indonesia,Japan,Micronesia,Mauritius,Maldives,Brazil,Ecuador - mainland,Madagascar,India - mainland,American Samoa,Vietnam,Chile,Costa Rica,Kiribati,Guam,Samoa,Panama,Trinidad and Tobago,Macao,China,Vanuatu,Tokelau,French Polynesia,Niue,Cook Islands,Marshall Islands,Saint Helena,Solomon Islands,Australia,Papua New Guinea,Northern Mariana Islands,Palau,Colombia,New Caledonia,United States - Hawaii,Comoros,Pitcairn Islands,India - Andaman and Nicobar Islands,
Subspecies
Group
Subspecies
Breeding Range
alba
tropical and subtropical South Atlantic Ocean islands: Fernando de Noronha, Trindade (ne, s of ne Brazil); Ascension and St. Helena (tropical se Atlantic Ocean)
candida
all Seychelles groups from Aldabra ne to Inner Is., Mascarenes, Chagos and Maldives (tropical w, nc Indian Ocean); Lord Howe and Norfolk is. (far e of Australia), Kermadec Is. (ne of New Zealand), outlying islands ne of New Guinea, Melanesia, Micronesia,
leucopes
Henderson and Pitcairn (Pitcairn group, e Polynesia)
microrhyncha
Phoenix (c Polynesia), Line and Marquesas is. (ne Polynesia)
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)
