Native to:
Andaman Is.,
Angola,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Verde,
Caroline Is.,
Cayman Is.,
Central African Repu,
Central American Pac,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
El Salvador,
Ethiopia,
French Guiana,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kenya,
Laccadive Is.,
Laos,
Leeward Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Marianas,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Northern Territory,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Senegal,
Sierra Leone,
Solomon Is.,
Sri Lanka,
Sudan,
Suriname,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Trinidad-Tobago,
Uganda,
Venezuela,
Venezuelan Antilles,
Vietnam,
Western Australia,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Seychelles
Introduced into:
Alabama,
Ascension,
Comoros,
Cook Is.,
Fiji,
Florida,
Galápagos,
Hawaii,
Lesser Sunda Is.,
Louisiana,
Marquesas,
Namibia,
New Caledonia,
Niue,
Northern Provinces,
Samoa,
Society Is.,
South Carolina,
St.Helena,
Tonga,
Tuamotu,
Tubuai Is.,
Vanuatu,
Wallis-Futuna Is.,
West Himalaya