Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Cabinda,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Central African Repu,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Equatorial Guinea,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Philippines,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
Sulawesi,
Sumatera,
Swaziland,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Taiwan,
Trinidad-Tobago