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Herring Gull (argenteus) Y.HTB 1CY, 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.Ringed as pullus in season 2026 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.HTB >4CY, July 10 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team. |
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