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Lesser Black-backed Gull (graellsii) Y.DAF adult, May 15 2020, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar.Ringed as breeding adult in season 2020 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Lesser Black-backed Gull (graellsii) Y.DAF >4CY, May 15 2020, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar. |
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