IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse(last update: January 01, 2023) |
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Herring Gull (argenteus) Y.AKS adult, December 2009 - March 2010, IJmuiden, the Netherlands. Picture: Mars Muusse.Ringed as breeding adult in breeding season 2009 at Forteiland, IJmuiden. below: Herring Gull (argenteus) Y.AKS >5CY, March 31 2010, IJmuiden, the Netherlands. Picture: Mars Muusse.below: Herring Gull (argenteus) Y.AKS >5CY, January 30 2010, IJmuiden, the Netherlands. Picture: Mars Muusse.orbital ring is yellow-orange, and there is some black on the bill. Both features are commonly found in western argenteus. below: Herring Gull (argenteus) Y.AKS >4CY, December 18 2009, IJmuiden, the Netherlands. Picture: Mars Muusse. |
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