IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse(last update: January 01, 2023) |
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Herring Gull (argenteus) Y.BAZ adult, April 2016 - April 2022, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee & Mars Muusse.Ringed as breeding adult in breeding season 2012 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.BAZ >14CY, April 25 2022, IJmuiden, the Netherlands. Picture: Mars Muusse.Pseudo-mirror on P9. below: Herring Gull (argenteus) Y.BAZ >10CY, December 15 2018, Noordwijk, the Netherlands. Picture: Mars Muusse.Note pattern on underside of P9 (left wing), showing 'pseudo-mirror'. below: Herring Gull (argenteus) Y.BAZ >8CY, April 25 2016, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.below: Herring Gull (argenteus) Y.BAZ >8CY, April 11 2016, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee. |
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