84.jpg Mute Swan (Cygnus olor) (89)ThumbnailsTufted Duck (Aythya fuligula) pairMute Swan (Cygnus olor) (89)ThumbnailsTufted Duck (Aythya fuligula) pairMute Swan (Cygnus olor) (89)ThumbnailsTufted Duck (Aythya fuligula) pairMute Swan (Cygnus olor) (89)ThumbnailsTufted Duck (Aythya fuligula) pairMute Swan (Cygnus olor) (89)ThumbnailsTufted Duck (Aythya fuligula) pair
The distinctive plumage of the head of a male Mallard