Ashley Cooper / Pool coloured red from algae that have been fertilized by seabird guano on the Farne Islands, Northumberland, England, UK. July.
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Robert Thompson / Shag (Phalacrocorax aristotelis) in flight over sea. Great Saltee Island, Saltee Islands, County Wexford, Republic of Ireland. June.
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) mating in snow. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) preening plumage. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) with gift for mate. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) on breeding cliff, covered with ice. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European / Common shag (Phalacrocorax aristotelis) landing and calling, Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European / Common shag (Phalacrocorax aristotelis) landing. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shags or common shags (Phalacrocorax aristotelis) calling, Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) in snow against dark background. Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European / Common shag (Phalacrocorax aristotelis) silhouetted against sea, Hornoya birdcliff, Vardo, Norway. March
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Espen Bergersen / European shag or common shag (Phalacrocorax aristotelis) on nest. Hornoya birdcliff, Vardo, Norway. March
