This first summer Common Eider male duck had me befuddled for a time primarily due to the yellow on the bill. I wrestled between Common Eider and White-winged Scoter for a time but the lack of field marks for a White-winged Scoter had it removed as a possibility.
I don't often see Common Eiders alone. This example was fishing close enough to shore to allow for decent photographs.
Common Eider, First Summer Male
Common Eider 103
Common Eider 100
Common Eider 101
Common Eider 102