Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caprivi Strip,
Central African Republic,
Chad,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Djibouti,
Egypt,
Eritrea,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Mozambique Channel Is.,
Myanmar,
Namibia,
Nicobar Is.,
Nigeria,
Northern Provinces,
Oman,
Philippines,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Florida,
Puerto Rico