This British mystery bird is probably impossible to identify from this angle, but I am giving it to you to see how well you do

Common teal, Anas crecca, (synonyms, Nettion crecca)Linnaeus, 1758, also known simply as the teal, English/Eurasian/European teal, or (erroneously) as the green-winged teal, photographed at the Sandbach Flashes, a wetland west of Sandbach in Cheshire, England... 

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