American Samoa,Australia,Brazil,Colombia,French Polynesia,Gabon,Gambia,Ghana,Guinea-Bissau,India - Andaman and Nicobar Islands, India - mainland,Indonesia,Ivory Coast,Japan,Kiribati,Liberia,Malaysia,Marshall Islands,Mauritania,Micronesia, Nauru,Netherlands Antilles,New Caledonia,Nigeria,Northern Mariana Islands,Palau,Papua New Guinea,Philippines,Pitcairn Islands,Saint Helena, Samoa,Sao Tome and Principe,Senegal,Sierra Leone,Solomon Islands,South Africa,Sri Lanka,Tokelau,Tonga,Tuvalu, United States - Hawaii,United States - mainland,Venezuela,
IOC 9.1 Subspecies
Group
Subspecies
Breeding Range
worcesteri
Cavilli I. and Tubbataha Reef (Sulu Sea)
minutus
ne Australia and New Guinea to Tuamotu Arch.
marcusi
Marcus and Wake Is. through Micronesia to Caroline Is.
melanogenys
Hawaiian Is.
diamesus
Clipperton I. (off w Mexico) and Cocos I. (off w Costa Rica)
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)
