Native to:
Afghanistan,
Angola,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cameroon,
Cape Verde,
Central African Republic,
Chad,
China Southeast,
Comoros,
Congo,
Cuba,
Djibouti,
Dominican Republic,
DR Congo,
East Himalaya,
Eritrea,
Eswatini,
Ethiopia,
Gabon,
Ghana,
Guinea,
Guyana,
Hainan,
Haiti,
India,
Ivory Coast,
Jamaica,
Kenya,
KwaZulu-Natal,
Leeward Is.,
Liberia,
Libya,
Madagascar,
Malawi,
Mali,
Mauritania,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Caledonia,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Pakistan,
Puerto Rico,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Sinai,
Socotra,
Somalia,
South China Sea,
Sri Lanka,
Sudan-South Sudan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Windward Is.,
Yemen,
Zambia,
Zimbabwe
Introduced into:
Aldabra,
Maryland