Afghanistan (NB), Albania (B) (NB), Algeria, Armenia (B) (NB), Austria (B) (P), Azerbaijan (B) (NB), Bahrain, Bangladesh, Belarus (B) (P), Belgium (B) (NB), Bhutan, Bosnia and Herzegovina (B) (NB), Bulgaria (B) (NB), China (mainland), Croatia (Local Name: Hrvatska) (B) (NB), Cyprus (NB), Czech Republic (B) (NB) (P), Denmark (B) (NB) (P), Egypt, Estonia (B) (NB) (P), Faroe Islands (B) (NB), Finland (B) (P), France (B) (NB) (P), Georgia, Germany (B) (NB) (P), Gibraltar, Greece (B) (NB) (P), Hong Kong (China), Hungary (B) (NB), Iceland (B), India, Iran [Islamic Republic of] (B) (NB) (P), Iraq (NB), Ireland (B) (NB), Israel (NB), Italy (B) (NB) (P), Japan, Jordan (NB) (P), Kazakhstan (B), Kuwait, Kyrgyzstan (B), Laos, Latvia (B) (NB), Lebanon, Libyan Arab Jamahiriya, Liechtenstein (B), Lithuania (B) (NB), Luxembourg (B) (NB), Macedonia [The Former Yugoslav Republic of] (B) (NB), Malta (NB), Mauritania, Moldova [Republic of] (B) (NB) (P), Mongolia (B), Montenegro (B) (NB), Morocco, Myanmar, Nepal, Netherlands Antilles (B) (NB), North Korea, Norway (B) (P), Pakistan, Poland (B) (NB) (P), Portugal (B) (NB), Qatar, Romania (B) (NB) (P), Russia (Asian) (B), Russia (Central Asian) (B), Russia (European) (B) (NB) (P), Saudi Arabia, Serbia (B) (NB), Slovakia (Slovak Republic) (B) (NB), Slovenia (B) (NB) (P), South Korea, Spain (B) (NB), Sweden (B) (P), Switzerland (B) (NB), Syrian Arab Republic (NB), Taiwan (China), Thailand, Tunisia, Turkey (B) (NB), Turkmenistan (B), Ukraine (B) (NB) (P), United Arab Emirates, United Kingdom (B) (NB) (P), Uzbekistan (B), Vietnam, Yemen.
Vagrant to Anguilla, Antigua And Barbuda, Bahamas, Barbados, Bermuda, Brunei Darussalam, Canada, Cape Verde, Dominica, Gambia, Greenland, Guadeloupe, Kenya, Martinique, Montserrat, Oman, Puerto Rico, Senegal, St Kitts And Nevis, St Lucia, St Pierre and Miquelon (NB), St Vincent and The Grenadines, Sudan, Svalbard and Jan Mayen Islands, Tajikistan, Turks and Caicos Islands, USA.
Population
Estimated population is 5,200,000 - 10,000,000 (2010).
The Reader's Digest Book of British Birds 1980, 3rd Edition, Drive Publications Ltd ISBN 0 340 25308 8
Birds in Colour Campbell, B., 1960, Penguin Books Ltd
The Pocket Guide to Nest and Eggs Fitter, R.S.R., 1954, Collins
RSPB Handbook of British Birds Holden, P., Cleeves, T., 2002, A & C Black ISBN 0 7136 5713 8
Birds of Britain and Europe Sterry, P., et al., 2001, AA Publishing ISBN 0 7495 3068 5
The Popular Handbook of British Birds Hollom, P.A.D., 1973, H.F. & G. Witherby Ltd ISBN 0 85493 002 7