Native to:
Aldabra,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Chad,
China Southeast,
Comoros,
Congo,
Ethiopia,
Free State,
Gabon,
Ghana,
Guinea,
Guinea-Bissau,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Philippines,
Queensland,
Rwanda,
Senegal,
Seychelles,
Sierra Leone,
South Australia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Victoria,
Vietnam,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Baleares,
Gulf States,
Mauritius,
Réunion