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Lesser Black-backed Gull (graellsii) NLA 5.643.023 1CY, 2025, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.Ringed as pullus on June 03 2025 at colony Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Lesser Black-backed Gull (graellsii) NLA 5.643.023 1CY, July 25 2025, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) NLA 5.643.023 1CY, July 18 2025, IJmuiden, the Netherlands. Picture: Ruud Altenburg.
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