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Herring Gull (argenteus) Y.ADK 12CY, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.Ringed as pullus in breeding season 2008 at Forteiland, IJmuiden. below: Herring Gull (argenteus) Y.ADK 12CY, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse. |
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