Greater Scaup Aythya marila
Negrelho (Zarro-bastardo)
2010-01-10
Lagoa Azul, São Miguel
© Gerbrand Michielsen, Portugal
Birding Azores
A group with 5 Ring-necked Ducks (4 males, 1 female), 1 Greater Scaup and 1 Lesser Scaup (both males), and one Tufted Duck (female).

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