Native to:
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Burkina,
Burundi,
Cameroon,
Cape Verde,
Central African Republic,
Chad,
Christmas I.,
Congo,
East Himalaya,
Ethiopia,
Fiji,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Malawi,
Malaya,
Mali,
Maluku,
Mozambique,
Namibia,
Nepal,
New Guinea,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Society Is.,
Solomon Is.,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Tanzania,
Thailand,
Tonga,
Uganda,
Vanuatu,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Socotra
Introduced into:
Alabama,
Andaman Is.,
Argentina Northeast,
Argentina Northwest,
Aruba,
Ascension,
Bahamas,
Belize,
Bermuda,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Cambodia,
Caroline Is.,
Cayman Is.,
Central American Pacific Is.,
China South-Central,
China Southeast,
Colombia,
Comoros,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Florida,
Galápagos,
Georgia,
Guatemala,
Haiti,
Hawaii,
Honduras,
Jamaica,
Korea,
Leeward Is.,
Louisiana,
Marianas,
Marquesas,
Mauritius,
Mexico Northwest,
Mexico Southwest,
Netherlands Antilles,
New Caledonia,
Nicobar Is.,
Niue,
Panamá,
Paraguay,
Pennsylvania,
Puerto Rico,
Rodrigues,
Réunion,
Samoa,
Southwest Caribbean,
Trinidad-Tobago,
Turks-Caicos Is.,
Venezuela,
Venezuelan Antilles,
Windward Is.