Native to:
Djibouti,
Egypt,
Eritrea,
Ethiopia,
Kenya,
Madagascar,
Oman,
Saudi Arabia,
Somalia,
Sudan,
Tanzania,
Uganda,
Yemen,
Zambia,
Zaïre
Introduced into:
Andaman Is.,
Angola,
Assam,
Bahamas,
Bangladesh,
Belize,
Borneo,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caroline Is.,
Cayman Is.,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Comoros,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Florida,
Galápagos,
Gambia,
Ghana,
Gilbert Is.,
Guatemala,
Haiti,
Hawaii,
India,
Ivory Coast,
Jamaica,
Jawa,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Libya,
Malaya,
Maldives,
Mali,
Marianas,
Marshall Is.,
Mauritius,
Mexico Central,
Mozambique,
Mozambique Channel Is.,
Myanmar,
Namibia,
Nauru,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Niger,
Northern Territory,
Pakistan,
Panamá,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rodrigues,
Réunion,
Society Is.,
Solomon Is.,
Sri Lanka,
Taiwan,
Thailand,
Togo,
Trinidad-Tobago,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vietnam,
West Himalaya,
Western Australia,
Windward Is.,
Zimbabwe