Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Burkina,
Cabinda,
Cambodia,
Cameroon,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Laos,
Lesser Sunda Is.,
Liberia,
Malaya,
Mali,
Maluku,
Mauritania,
Myanmar,
Nepal,
New Guinea,
Niger,
Nigeria,
Northern Territory,
Pakistan,
Philippines,
Senegal,
Sierra Leone,
Solomon Is.,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Togo,
Uganda,
Vietnam,
Zaïre
Introduced into:
Brazil North,
Cuba,
Dominican Republic,
Guyana,
Haiti,
Laccadive Is.,
Leeward Is.,
Nicaragua,
Nicobar Is.,
Trinidad-Tobago