IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse(last update: January 01, 2023) |
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Herring Gull (argenteus) Y.CFP 1CY & 8CY, July 2016 & May 2023, IJmuiden & Callantsoog, the Netherlands. Picture: Maarten van Kleinwee & Thijs Horst.Ringed as pullus in breeding season 2016 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.CFP 8CY, May 20 2023, Callantsoog, the Netherlands. Picture: Thijs Horst.Beach suppletions at Callantsoog, May 2023. Bird not reported in native colony, but still alive and likely breeding somewhere in province N-Holland. below: Herring Gull (argenteus) Y.CFP 1CY, July 04 2016, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee. |
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