Ridgely, R. S., T. F. Allnutt, T. Brooks, D. K. McNicol, D. W. Mehlman, B. E. Young, and J. R. Zook. 2005. Digital Distribution Maps of the Birds of the Western Hemisphere, version 2.1. NatureServe, Arlington, Virginia, USA. Additional updates and changes by BirdPhotos.com 2016.
Nepal,Somalia,Guinea,Mozambique,Czech Republic,Ethiopia,Equatorial Guinea,South Africa,Indonesia,Portugal,Nigeria,Japan,Latvia,Turkey,Tunisia,Morocco,Malawi,Bangladesh,Mali,Croatia,Swaziland,Slovenia,Israel,Madagascar,India - mainland,Botswana,Namibia,Malta,Algeria,Taiwan,Serbia,Laos,Azerbaijan,Bulgaria,Lebanon,Iraq,Thailand,Singapore,Belarus,Netherlands,Vietnam,Niger,Ukraine,Romania,Cameroon,Greece,Germany,Burkina Faso,Palestine,Uzbekistan,France,United Arab Emirates,Malaysia,Cambodia,Libya,Rwanda,Syria,Benin,Mongolia,Hungary,Zambia,Pakistan,Hong Kong,Sri Lanka,China,Sierra Leone,Western Sahara,Estonia,Eritrea,Angola,Ivory Coast,Armenia,Saudi Arabia,Guinea-Bissau,Oman,Turkmenistan,Philippines,Bosnia and Herzegovina,Ghana,Djibouti,Slovakia,Tajikistan,South Korea,Solomon Islands,Poland,Togo,Moldova,Spain,Kenya,Egypt,Australia,Macedonia,Switzerland,Lithuania,Norway,Cyprus,Luxembourg,Papua New Guinea,Iran,Mauritania,Kyrgyzstan,Russia,Finland,Tanzania,Palau,Chad,Austria,Kazakhstan,Cape Verde,Jordan,Lesotho,Uganda,Italy,Zimbabwe,Yemen,Gambia,Liberia,Myanmar,Burundi,Bahrain,Kuwait,Georgia,New Caledonia,Sudan,Afghanistan,Denmark,Senegal,Albania,United States - mainland,Central African Republic,Democratic Republic of Congo,Congo,South Sudan,Montenegro,
Subspecies
Group
Subspecies
Breeding Range
hybrida
inland n Africa and sw, c Europe to c Asia (Caspian and Amu Darya regions), Kashmir and (erratic) Gangetic Plain to w, c Mongolia, Lake Baikal to Lake Khanka (ec, se Russia) and e China
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)