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Lesser Black-backed Gull (graellsii) Y.DUX adult, May 21 2024, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Ringed as breeding adult in season 2024 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Lesser Black-backed Gull (graellsii) Y.DUX >4CY, May 21 2024, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.5CY type bird (note underwing coverts). |
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