Paul Hobson / Smew (Mergus albellus), male in breding plumage. Norfolk, England, UK, Europe
01622785
Marie Read / Red-breasted Mergansers (Mergus serrator) male in foreground performing courtship display to female in background (left), Aurora, New York, USA, April.
01039681
Paul Hobson / Gossander (Mergus merganser) male. Norfolk