Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cabinda,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Congo,
East Himalaya,
Eritrea,
Ethiopia,
Fiji,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Hawaii,
India,
Ivory Coast,
Japan,
Jawa,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Pakistan,
Philippines,
Queensland,
Rwanda,
Réunion,
Samoa,
Santa Cruz Is.,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Solomon Is.,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Uganda,
Vanuatu,
Victoria,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Rodrigues
Introduced into:
Belize,
Bolivia,
Brazil Northeast,
Brazil Southeast,
California,
Cayman Is.,
Chagos Archipelago,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
Easter Is.,
El Salvador,
Florida,
Galápagos,
Guatemala,
Haiti,
Honduras,
Jamaica,
Leeward Is.,
Madeira,
Marquesas,
Mexico Southeast,
Mexico Southwest,
Nicaragua,
Panamá,
Pitcairn Is.,
Puerto Rico,
Society Is.,
South Australia,
St.Helena,
Tasmania,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Venezuela,
Venezuelan Antilles,
Windward Is.