Native to:
Andaman Is.,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Burkina,
Cabinda,
Cambodia,
Cameroon,
Central African Republic,
China South-Central,
China Southeast,
Congo,
Cook Is.,
Costa Rica,
East Himalaya,
El Salvador,
Equatorial Guinea,
Ethiopia,
Fiji,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Hainan,
Honduras,
India,
Ivory Coast,
Jawa,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Malaya,
Maluku,
Marquesas,
Mexico Central,
Mexico Gulf,
Mexico Southeast,
Mexico Southwest,
Myanmar,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicaragua,
Nicobar Is.,
Nigeria,
Northern Territory,
Pakistan,
Panamá,
Philippines,
Queensland,
Samoa,
Santa Cruz Is.,
Senegal,
Sierra Leone,
Society Is.,
Solomon Is.,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Tanzania,
Thailand,
Togo,
Tonga,
Uganda,
Vanuatu,
Vietnam,
West Himalaya,
Western Australia,
Zaïre
Introduced into:
Caroline Is.,
Trinidad-Tobago