Anguilla,Somalia,Guyana,Mozambique,Ethiopia,Equatorial Guinea,South Africa,Peru,Indonesia,Argentina,Portugal,Nigeria,Netherlands Antilles,Japan,Tunisia,Mauritius,Maldives,Brazil,Ecuador - mainland,Jamaica,Dominica,Madagascar,India - mainland,Namibia,Algeria,Antarctica,Singapore,Cameroon,Chile,French Guiana,France,Kiribati,United Arab Emirates,Malaysia,Uruguay,Benin,Trinidad and Tobago,Pakistan,Sri Lanka,Suriname,Sierra Leone,Western Sahara,Angola,Ivory Coast,Saudi Arabia,Guinea-Bissau,Oman,Ghana,Djibouti,Marshall Islands,Spain,Gabon,Kenya,Egypt,Australia,Canada,Dominican Republic,Papua New Guinea,Bermuda,Iran,Mauritania,Cape Verde,Sao Tome and Principe,Yemen,Gambia,Liberia,Myanmar,Reunion,Venezuela,Senegal,British Virgin Islands,United States - mainland,Democratic Republic of Congo,Congo,
Note long legs that extend past the tail in flight, typical of Austral Storm Petrels (Oceanitidae). On Wilson's, note unforked tail, short wings and small size.
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)
