Native to:
Aldabra,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Central African Repu,
Chad,
China Southeast,
Comoros,
Congo,
Djibouti,
East Himalaya,
Equatorial Guinea,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Kenya,
KwaZulu-Natal,
Laos,
Lesotho,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nepal,
Nicobar Is.,
Nigeria,
Northern Provinces,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
Sri Lanka,
Sudan,
Swaziland,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Florida,
Hawaii,
Norfolk Is.,
Seychelles,
Society Is.,
Trinidad-Tobago