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Herring Gull (argenteus) Y.CPX adult, May 2018 - July 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee & Mars Muusse.
Ringed as breeding adult in season 2018 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
![](202401/YCUN-YCPX-17-June-2019-IJmuiden-Forteiland-Maarten-van-Kleinwee.jpg)
below: Herring Gull (argenteus) Y.CPX >9CY, March 27 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.
![](202401/_MGL4930.JPG)
below: Herring Gull (argenteus) Y.CPX >5CY, June 17 2019, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](202401/YCUN-YCPX-17-June-2019-IJmuiden-Forteiland-Maarten-van-Kleinwee.jpg)
below: Herring Gull (argenteus) Y.CPX >5CY, May 20 2019, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](202401/YCPX-20-May-2019-Imuiden-Forteiland-Maarten-van-Kleinwee-4.jpg)
![](202401/YCPX-20-May-2019-Imuiden-Forteiland-Maarten-van-Kleinwee-5.jpg)
![](202401/YCPX-20-May-2019-Imuiden-Forteiland-Maarten-van-Kleinwee-1.jpg)
![](202401/YCPX-20-May-2019-Imuiden-Forteiland-Maarten-van-Kleinwee-12.jpg)
below: Herring Gull (argenteus) Y.CPX >4CY, July 23 2018, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](202401/YCPX-23-July-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-1.jpg)
below: Herring Gull (argenteus) Y.CPX >4CY, May 28 2018, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-2.jpg)
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-4.jpg)
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-7.jpg)
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-8.jpg)
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-12.jpg)
![](202401/YCPX-28-May-2018-IJmuiden-Forteiland-Maarten-van-Kleinwee-13.jpg)
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