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Herring Gull (argenteus) Y.CHN adult, August 07 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.Ringed as adult in breeding season 2017 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team. below: Herring Gull (argenteus) Y.CHN >6CY, August 07 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.P6-P10 old. |
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