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Herring Gull (argenteus) Y.DTM 1CY, June 19 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar.Ringed as pullus in season 2023 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.DTM 1CY, June 26 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar.All 3 ringed chicks fledged in 2023. |
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