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Keywords:preening, poetsen, waterbird, watervogel, red eye, rood oog, summerplumage, zomerkleed, Prachtkleed, Breeding plumage, Broedkleed, Breeding area, broedgebied, Iceland, IJsland, Kuifduiker, Grèbe esclavon, Ohrentaucher, Slavonian Grebe, Podiceps auritus
