common eider ducks, somateria mollissima, in eclipse plumage res

anatidae animals bank birds boschplaat brown coast coastal common duck ducks dutch eclipse eider eidereenden eiders europe european females flat flats friesland frisian fryslan groep group holland koffiebonenplaat male mollissima netherlands plumage resting sand sandflat sea seabirds seaduck seaside shore somateria terschelling tidal wadden waddensea water wild wildlife