Native to:
Andaman Is.,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Caroline Is.,
Central African Repu,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Congo,
East Himalaya,
Fiji,
Gabon,
Ghana,
Guinea,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
Northern Territory,
Philippines,
Queensland,
Samoa,
Santa Cruz Is.,
Seychelles,
Sierra Leone,
Somalia,
Sri Lanka,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Tonga,
Vanuatu,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Trinidad-Tobago