Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
Burundi,
Cambodia,
Cameroon,
Caroline Is.,
Central African Republic,
Chad,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Congo,
Cook Is.,
East Himalaya,
Ecuador,
El Salvador,
Equatorial Guinea,
Fiji,
French Guiana,
Gabon,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Honduras,
India,
Ivory Coast,
Japan,
Jawa,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Marquesas,
Mexico Central,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Ogasawara-shoto,
Pakistan,
Panamá,
Peru,
Philippines,
Queensland,
Rwanda,
Samoa,
Senegal,
Sierra Leone,
Society Is.,
Solomon Is.,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Tubuai Is.,
Uganda,
Vanuatu,
Venezuela,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Arkansas,
Brazil South,
Costa Rica,
Cuba,
Dominican Republic,
Florida,
Georgia,
Hawaii,
Iowa,
Jamaica,
Leeward Is.,
Louisiana,
Mauritius,
Mexico Southwest,
Mississippi,
North Carolina,
Puerto Rico,
Seychelles,
South Carolina,
Texas,
Trinidad-Tobago,
Tuamotu,
Windward Is.