Laurie Campbell / Greater Scaup in flight (Aythya marila) two female and one male in flight over water, Lindisfarne NNR, Northumberland, England, December
Gerrit Vyn / Greater scaup duck (Aythya marila) male on water, Seward Peninsula, Alaska, USA June
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Steven Kazlowski / Greater scaup (Aythya marila) pair of adult ducks swimming on Kasegaluk lagoon, outside the arctic village of Point Lay, arctic coast of Alaska, USA, June
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David Kjaer / Greater Scaup (Aythya marila) drake or male (first winter) on water by reeds. Gloucestershire, UK, January.
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David Kjaer / Greater Scaup (Aythya marila) drake or male (first winter) on water. Gloucestershire, UK, January.
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Markus Varesvuo / Greater scaup (Aythya marila) pair on water, Iceland, June
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Markus Varesvuo / Male Greater scaup (Aythya marila) on water, Iceland, June
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Markus Varesvuo / Greater scaup (Aythya maritima) flock migrating over water, Estonia, September
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Markus Varesvuo / Greater scaup (Aythya marila) flock migrating, Estonia, September
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Markus Varesvuo / Male Greater scaup (Aythya marila) flying over water, Iceland, June
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Steve Knell / Greater Scaup (Aythya marila) female on freshwater pond. Iceland, May
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Steve Knell / Greater Scaup (Aythya marila) female on freshwater pond. Iceland, May
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Hanne & Jens Eriksen / Portrait of female Greater scaup (Aythya marila) on land, Iceland, June
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Hanne & Jens Eriksen / Portrait of female Greater scaup (Aythya marila) on land, Iceland, June
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Hanne & Jens Eriksen / Female Greater scaup (Aythya marila) raised up on water, flapping wings, Iceland, June
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Hanne & Jens Eriksen / Male Greater scaup (Aythya marila) on water, Iceland, June
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Hanne & Jens Eriksen / Male Greater scaup (Aythya marila) on land, Iceland, June
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Gerrit Vyn / Male Greater Scaup (Aythya marila) on a tundra pond. Seward Peninsula, Alaska, USA, June.
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David Kjaer / Greater Scaup (Aythya marila) female, native to the Northern Hemisphere
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David Kjaer / Greater Scaup (Aythya marila) drake or male, native to the Northern Hemisphere
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Jean E. Roche / Greater scaup duck {Aythya marila} nest with eggs, Iceland
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DAVID TIPLING / Greater scaup {Aythya marila} female, UK
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Mike Read / Greater scaup duck female {Aythya marila} Slimbridge WWT, UK
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Mike Read / Greater scaup duck male {Aythya marila} Slimbridge WWT, Glos, UK