Native to:
Afghanistan,
Altay,
Amur,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Assam,
Azores,
Bangladesh,
Belize,
Benin,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burundi,
Buryatiya,
Cambodia,
Cameroon,
Canary Is.,
Cape Verde,
Caroline Is.,
Central African Republic,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colombia,
Comoros,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
DR Congo,
East European Russia,
East Himalaya,
Easter Is.,
Ecuador,
El Salvador,
Equatorial Guinea,
Fiji,
Finland,
French Guiana,
Gabon,
Galápagos,
Ghana,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Inner Mongolia,
Irkutsk,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kamchatka,
Kazan-retto,
Kenya,
Khabarovsk,
Korea,
Krasnoyarsk,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Madeira,
Magadan,
Malaya,
Maluku,
Manchuria,
Marianas,
Marquesas,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Mongolia,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
North European Russia,
Northern Provinces,
Norway,
Ogasawara-shoto,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Pitcairn Is.,
Primorye,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Sakhalin,
Samoa,
Santa Cruz Is.,
Seychelles,
Sierra Leone,
Society Is.,
Solomon Is.,
Spain,
Sri Lanka,
St.Helena,
Sudan-South Sudan,
Sulawesi,
Sumatera,
Suriname,
Sweden,
Taiwan,
Tanzania,
Tasmania,
Thailand,
Tibet,
Togo,
Tonga,
Trinidad-Tobago,
Tristan da Cunha,
Tubuai Is.,
Tuva,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
West Siberia,
Windward Is.,
Yakutiya,
Zambia,
Zimbabwe
Extinct in:
Bermuda
Introduced into:
Florida,
KwaZulu-Natal