Espen Bergersen / Common eider (Somateria mollissima) swimming in the Jokulsarlon lake. Iceland, May.
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Espen Bergersen / Common eider (Somateria mollissima) resting on ice. Iceland, May.
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Espen Bergersen / Common eider (Somateria mollissima) performing courtship postures between ice bergs in the Jokulsarlon Lake, Iceland. May.
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Espen Bergersen / Common eider (Somateria mollissima) between ice bergs in the Jokulsarlon lake. Iceland, May.
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Roger Powell / Gadwall pair (Mareca strepera) swimming in tandem. Potterick Carr Nature Reserve, Doncaster, Yorkshire, England, UK, March.
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Roger Powell / Pair of Common shelduck (Tadorna tadorna) escorting their chicks. Cresswell Ponds Nature Reserve, Druridge Bay, Northumberland, England, UK, June.
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Staffan Widstrand / Mallard Duck (Anas platyrhynchos)at sunrise in the Nemunas Delta Nature Reserve, Lithuania.
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Staffan Widstrand / Mallard Duck (Anas platyrhynchos) at sunrise in the Nemunas Delta Nature Reserve, Lithuania.
Mike Read / Garganey (Anas querquedula) female in a reedbed pool, Ham Wall RSPB Reserve, part of the Avalon Marshes, Somerset Levels and Moors, England, UK, April.
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Mike Read / Garganey (Anas querquedula) male in a reedbed pool, Ham Wall RSPB Reserve, part of the Avalon Marshes, Somerset Levels and Moors, England, UK, April.