Native to:
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Brazil Northeast,
Brazil Southeast,
Burkina,
Burundi,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Republic,
Chad,
Congo,
East Himalaya,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
India,
Ivory Coast,
Kenya,
KwaZulu-Natal,
Malawi,
Mali,
Mauritania,
Mozambique,
Namibia,
Niger,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Paraguay,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
Sudan,
Swaziland,
Tanzania,
Togo,
Uganda,
Venezuela,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Andaman Is.,
Brazil North,
Brazil South,
Brazil West-Central,
Cambodia,
China South-Central,
China Southeast,
Cuba,
Egypt,
Germany,
Hainan,
Hawaii,
Iraq,
Jamaica,
Laos,
Leeward Is.,
Madagascar,
Malaya,
Mauritius,
Myanmar,
Nepal,
Nicobar Is.,
Palestine,
Puerto Rico,
Rodrigues,
Réunion,
Sinai,
Sri Lanka,
Suriname,
Taiwan,
Thailand,
Trinidad-Tobago,
Vietnam,
West Himalaya