Native to:
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Repu,
Chad,
Congo,
East Himalaya,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Philippines,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Caroline Is.,
China North-Central,
China South-Central,
China Southeast,
Hainan,
Marianas,
New Caledonia,
Niue,
Réunion,
Samoa,
Taiwan,
Wallis-Futuna Is.