Red-breasted Merganser Mergus serrator
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Red-breasted Merganser imm male & female
Mergus serrator Merritt Island Florida April 2008 NA-RBMG-01
Mergus serrator Merritt Island Florida April 2008 NA-RBMG-13
Mergus serrator Bering Island Russia June 2017 RU-RBMG-01