Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Burkina,
Burundi,
Cambodia,
Cameroon,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
Laos,
Lesser Sunda Is.,
Liberia,
Malawi,
Malaya,
Mali,
Mauritius,
Mozambique,
Myanmar,
Nepal,
New Guinea,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Philippines,
Rwanda,
Senegal,
Sierra Leone,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Comoros,
French Guiana,
Madagascar,
Windward Is.