Claudio Contreras / Waterfowl at dawn with mist, including Great blue heron (Ardea herodias herodias), American avocet (Recurvirostra americana), Northern shoveler (Anas clypeata), Xochimilco wetlands, Mexico City, Mexic...
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Espen Bergersen / Adult male King eider (Somateria spectabilis) portrait from behind also showing triangular black sails on the back and white sides of rump. Batsfjord, Norway, March.
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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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Nick Upton / Gadwall (Anas strepera) drake swimming past reeds in flooded marsh, RSPB Greylake, Somerset, UK, January.
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David Pattyn / Gadwall (Anas strepera), Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June
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David Tipling / Pied avocet (Recurvirostra avosetta) adult leading away a Gadwall (Anas strepera) from its nest North Norfolk, England, UK. May
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Lynn M. Stone / Canvasback duck (Aythya valisineria) and Redhead duck (Aythya americana) hybrid, this drake has orange eyes, intermediate between red of Canvasback and yellow of Redhead and intermediate light gray co...
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Mike Read / Gadwall (Anas strepera) male resting on vegetation in lake, Quinta do Lago, Ria Formosa Nature Reserve, Algarve, Portugal, February.
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Jussi Murtosaari / Gadwall (Anas strepera), adult female in water, Finland, April.
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Jussi Murtosaari / Gadwall (Anas strepera), adult male, Finland, May.
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Jussi Murtosaari / Gadwall (Anas strepera), adult male, Finland, April.
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David Pattyn / Gadwall (Anas strepera) female on the water, Den Oever, The Netherlands, July.
