Native to:
Angola,
Argentina Northeast,
Bangladesh,
Benin,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caprivi Strip,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Congo,
Eritrea,
Ethiopia,
Gambia,
Guinea,
Guinea-Bissau,
Guyana,
Hainan,
India,
Ivory Coast,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
New Guinea,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Sri Lanka,
Sudan,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Uganda,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Socotra
Introduced into:
Florida