Native to:
Andaman Is.,
Angola,
Argentina Northeast,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bermuda,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central African Republic,
Central American Pacific Is.,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Comoros,
Congo,
Cook Is.,
Costa Rica,
Cuba,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
French Guiana,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kazan-retto,
Kenya,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Marquesas,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicaragua,
Nicobar Is.,
Nigeria,
Niue,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oman,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Samoa,
Santa Cruz Is.,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Solomon Is.,
Somalia,
South China Sea,
Southwest Caribbean,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Trinidad-Tobago,
Tubuai Is.,
Turks-Caicos Is.,
Uganda,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Galápagos,
Hawaii,
Mauritius,
Réunion