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Herring Gull (argenteus) Y.DNN adult, May 12 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar.Ringed as breeding adult in season 2023 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.DNN >4CY, May 12 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar. |
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