Native to:
Afghanistan,
Andaman Is.,
Angola,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Assam,
Azores,
Bahamas,
Belize,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central American Pacific Is.,
Chatham Is.,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Congo,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
Free State,
French Guiana,
Guatemala,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Jamaica,
Japan,
Jawa,
Kenya,
Kermadec Is.,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Maluku,
Marquesas,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Nigeria,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Pitcairn Is.,
Puerto Rico,
Queensland,
Rwanda,
Samoa,
Santa Cruz Is.,
Saudi Arabia,
Seychelles,
Society Is.,
Solomon Is.,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Turks-Caicos Is.,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Socotra
Introduced into:
Great Britain