Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Brazil North,
Burkina,
Burundi,
Cabinda,
Cambodia,
Cameroon,
Caprivi Strip,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Hainan,
Honduras,
India,
Ivory Coast,
Jawa,
Kenya,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mexico Gulf,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Nepal,
New Guinea,
Nicaragua,
Nigeria,
Panamá,
Peru,
Philippines,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Solomon Is.,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Venezuela,
Vietnam,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Trinidad-Tobago