Native to:
Afghanistan,
Angola,
Arizona,
Aruba,
Botswana,
Brazil North,
Brazil Northeast,
Burkina,
Cameroon,
Cape Verde,
Caprivi Strip,
Chad,
Colombia,
Costa Rica,
Dominican Republic,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
French Guiana,
Galápagos,
Guatemala,
Guyana,
Hawaii,
Honduras,
India,
Iran,
Iraq,
Kenya,
KwaZulu-Natal,
Lebanon-Syria,
Lesser Sunda Is.,
Mali,
Marianas,
Marquesas,
Mauritania,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Namibia,
Netherlands Antilles,
New Mexico,
New South Wales,
Nicaragua,
Niger,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Peru,
Queensland,
Samoa,
Society Is.,
Somalia,
South Australia,
Southwest Caribbean,
Sri Lanka,
Sudan,
Suriname,
Swaziland,
Tanzania,
Tuamotu,
Uganda,
Venezuela,
Venezuelan Antilles,
Victoria,
Wake I.,
Western Australia,
Yemen,
Zimbabwe
Introduced into:
Alabama,
Albania,
Aldabra,
Andaman Is.,
Ascension,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
California,
Cambodia,
Canary Is.,
Caroline Is.,
Cayman Is.,
Central African Republic,
Chagos Archipelago,
Chile Central,
Chile North,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Cook Is.,
Cuba,
East Himalaya,
Egypt,
Florida,
Gabon,
Gambia,
Georgia,
Ghana,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Haiti,
Illinois,
Italy,
Jamaica,
Kazakhstan,
Kriti,
Laccadive Is.,
Laos,
Leeward Is.,
Liberia,
Louisiana,
Maldives,
Marshall Is.,
Maryland,
Massachusetts,
Mauritius,
Mississippi,
Missouri,
Mozambique Channel Is.,
Nauru,
Nepal,
New Caledonia,
New York,
Nicobar Is.,
Nigeria,
North Carolina,
Oklahoma,
Pitcairn Is.,
Puerto Rico,
Rodrigues,
Romania,
Réunion,
Saudi Arabia,
Senegal,
Seychelles,
Sicilia,
Sierra Leone,
Socotra,
South Carolina,
Spain,
St.Helena,
Tadzhikistan,
Taiwan,
Texas,
Thailand,
Togo,
Tonga,
Trinidad-Tobago,
Tubuai Is.,
Turkmenistan,
Turks-Caicos Is.,
Uzbekistan,
Vanuatu,
Vietnam,
Virginia,
Windward Is.,
Xinjiang,
Zaïre