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Lesser Black-backed Gull (graellsii) Y.CUW adult, May 20 2019, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Ringed as breeding adult in season 2019 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Lesser Black-backed Gull (graellsii) Y.CUW >4CY, May 20 2019, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee. |
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