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(Aythya valisineria) Ducks, Geese and Waterfowl (Anatidae)
Stor Taffeland Pato Coacoxtle
1009 (1 photos) 2013-06-15 Presa La Vega, west of Gdl, Jalisco (Jal), Mexico
Female. An unusual summer observation in Mexico. No other June records in ebird, and only very few between May and September.
1979 (3 photos) 2015-12-07 Presa Huaxtla, west of Gdl, Jalisco (Jal), Mexico
Males and females. Unmistakable at this site with elongated head shape and body. Also much bigger than the other fresh water species. Here with Ruddy Ducks.