Native to:
Angola,
Argentina Northwest,
Assam,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caprivi Strip,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Ethiopia,
French Guiana,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Ivory Coast,
Jamaica,
Jawa,
Kenya,
Laos,
Leeward Is.,
Liberia,
Malawi,
Malaya,
Mali,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
Nicaragua,
Niger,
Nigeria,
Northern Provinces,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Rwanda,
Senegal,
Sierra Leone,
Sudan,
Sumatera,
Suriname,
Tanzania,
Thailand,
Togo,
Trinidad-Tobago,
Uganda,
Venezuela,
Venezuelan Antilles,
Vietnam,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe