Native to:
Angola,
Benin,
Botswana,
Cameroon,
Cape Provinces,
Cape Verde,
Central African Republic,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
India,
Ivory Coast,
Kenya,
KwaZulu-Natal,
Madagascar,
Malawi,
Mozambique,
Namibia,
Nigeria,
Northern Provinces,
Rwanda,
Senegal,
Sierra Leone,
Sudan,
Swaziland,
Tanzania,
Togo,
Uganda,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Andaman Is.,
Ascension,
Assam,
Bangladesh,
Bermuda,
Bolivia,
Borneo,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Cambodia,
Canary Is.,
Caroline Is.,
Cayman Is.,
Chad,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Cook Is.,
Dominican Republic,
East Himalaya,
Easter Is.,
Ecuador,
Fiji,
Galápagos,
Guatemala,
Gulf of Guinea Is.,
Hainan,
Haiti,
Hawaii,
Iraq,
Jamaica,
Jawa,
Korea,
Laccadive Is.,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesser Sunda Is.,
Madeira,
Malaya,
Maldives,
Mali,
Marianas,
Marquesas,
Marshall Is.,
Mauritius,
Mexico Southwest,
Myanmar,
Nauru,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Niger,
Niue,
Norfolk Is.,
North Caucasus,
Northern Territory,
Pakistan,
Peru,
Philippines,
Pitcairn Is.,
Puerto Rico,
Queensland,
Réunion,
Samoa,
Somalia,
Sri Lanka,
Sumatera,
Thailand,
Tonga,
Transcaucasus,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tunisia,
Ukraine,
Uruguay,
Vanuatu,
Vietnam,
West Himalaya,
Western Australia,
Windward Is.,
Yemen