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Lesser Black-backed Gull (graellsii) hybrid Y.CWN 1CY, August 07 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.Ringed as pullus in breeding season 2019 at Forteiland, IJmuiden.
Ringed by Fred Cottaar ringing team. below: Lesser Black-backed Gull (graellsii) hybrid Y.CWN 1CY, August 07 2019, IJmuiden, the Netherlands. Picture: Mars Muusse. |
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