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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse |
Herring Gull argenteus B.P 1CY, July 30 2021, De Kreupel, the Netherlands. Picture: Leon Kelder.Red B.P ringed as pullus on July 02 2021 at colony De Kreupel - eastern section, the Netherlands (5247.00 N 513.00 E). Ringer: Leon Kelder. Note: |