Afghanistan (NB) (P), Albania (B) (NB), Algeria (B), Armenia (B) (NB), Austria (B) (NB) (P), Azerbaijan (B) (NB), Bahamas, Bahrain, Bangladesh (NB), Belarus (B) (NB), Belgium (B) (NB) (P), Bermuda, Bhutan, Bosnia and Herzegovina (B), Bulgaria (B) (NB), Canada (B) (P), Cayman Islands, China (mainland), Croatia (Local Name: Hrvatska) (B) (NB) (P), Cuba, Cyprus (NB), Czech Republic (B) (NB) (P), Denmark (B) (NB) (P), Egypt, Eritrea, Estonia (B) (NB) (P), Ethiopia, Finland (B) (P), France (B) (NB) (P), Germany (B) (NB) (P), Greece (B) (NB), Guam (NB), Haiti, Hong Kong (China), Hungary (B) (NB) (P), Iceland (B) (NB), India, Iran [Islamic Republic of] (NB), Iraq (NB), Ireland (B) (NB), Israel, Italy (B) (NB) (P), Japan, Jordan (NB), Kazakhstan (B), Kenya, Kiribati (E) (B), Kuwait, Kyrgyzstan (B) (NB), Latvia (B) (NB), Lebanon, Libyan Arab Jamahiriya, Liechtenstein, Lithuania (B) (NB) (P), Luxembourg (B) (NB), Macedonia [The Former Yugoslav Republic of] (B) (NB), Malaysia, Malta, Mexico, Moldova [Republic of] (B) (NB) (P), Mongolia (B), Montenegro (B) (NB), Morocco, Myanmar, Nepal, Netherlands Antilles (B) (NB), North Korea, Northern Mariana Islands (NB), Norway (B), Oman, Pakistan, Philippines, Poland (B) (NB) (P), Portugal (B) (NB), Puerto Rico, Qatar, Romania (B) (NB) (P), Russia (Asian) (B), Russia (Central Asian) (B) (P), Russia (European) (B) (P), Saudi Arabia, Senegal, Serbia (B) (NB), Singapore, Slovakia (Slovak Republic) (B) (NB) (P), Slovenia (B) (NB), South Korea, Spain (B) (NB), Sri Lanka, Sudan, Sweden (B) (NB) (P), Switzerland (B) (NB), Syrian Arab Republic, Taiwan (China), Tajikistan (B), Tanzania [United Republic of], Thailand, Tunisia (NB), Turkey (B) (NB), Turkmenistan, Turks and Caicos Islands, Ukraine (B) (NB) (P), United Arab Emirates, United Kingdom (B) (NB), USA (B), Uzbekistan, Vietnam, Yemen.
Vagrant to Cameroon, Congo [The Democratic Republic of the], Gibraltar, Greenland, Jamaica, Mali, Niger, Nigeria, Somalia, St Pierre and Miquelon (NB).
Unknown to Marshall Islands.
Widespread over great part of Palearctic and Nearctic Regions.
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 3,200,000 - 3,800,000 (2010).
Gadwall (Mareca strepera) [XC780287]
by Simon Elliott from Arrondissement de Sarrebourg-Ch\u00e2teau-Salins (near Tarquimpol), Moselle, Grand Est, France (call, flight call, nocturnal flight call, song)
Gadwall (Mareca strepera) [XC767265]
by Michel Veldt from Unterer Knappensee Nature Reserve (near Hungen), Gie\u00dfen, Hessen, Germany (call)
Nest
On the ground beside water.
Eggs (Guide)
Usually 8 - 12; pale yellowish-buff; ellipsoidal. Incubation: about 28 days; by male. Color is similar to that of the Eurasian Wigeon (Mareca penelope).
Subspecies
Subspecies couesi, Coues' Gadwall, described from Washington and New York Is, central Pacific, apparently not seen after its discovery in 1874 and considered extinct.
The following 2 subspecies are recognised:
strepera (Linnaeus, 1758) - Widespread over great part of Palearctic and Nearctic Regions.
couesi! (Streets, 1876) - Tabuaeran Is. (Kiribati). Extinct.
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
BirdLife International Species Factsheet