Native to:
Angola,
Argentina Northeast,
Argentina Northwest,
Assam,
Bangladesh,
Belize,
Benin,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Cayman Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Colombia,
Comoros,
Congo,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
Florida,
French Guiana,
Gabon,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Honduras,
Howland-Baker Is.,
India,
Ivory Coast,
Jamaica,
Kenya,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
New South Wales,
Nicaragua,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
South Australia,
South China Sea,
Sri Lanka,
Sudan,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Uganda,
Uruguay,
Venezuela,
Venezuelan Antilles,
Vietnam,
West Himalaya,
Western Australia,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Socotra
Introduced into:
Alabama,
Ascension,
Hawaii,
Mauritius,
New Caledonia,
Rodrigues,
Réunion,
Seychelles,
Society Is.,
St.Helena,
Tonga,
Tuamotu,
Tubuai Is.,
Vanuatu,
Yemen