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Lesser Black-backed Gull (graellsii) Y.DAS adult, June 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Ringed as breeding adult in season 2020 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
Logger bird: #5469 attached in 2020.
Only one field observation for 2021.
below: Lesser Black-backed Gull (graellsii) Y.DAS flight data May 2021.
![](horizon2/YDAS-5469-20210513-Camperduin.jpg)
below: Lesser Black-backed Gull (graellsii) Y.DAS >4CY, June 29 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](horizon2/YDAS-29-June-2020-IJmuiden-Forteiland-Maarten-van-Kleinwee.jpg)
below: Lesser Black-backed Gull (graellsii) Y.DAS >4CY, June 22 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
![](horizon2/YDAS-22-June-2020-IJmuiden-Forteiland-Maarten-van-Kleinwee.jpg)
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