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Coordinators: Albert de Jong Leon Kelder Roland-Jan Buijs Thijs Horst Merijn Loeve Mars Muusse
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Caspian Gull cachinnans 4.8 1CY-3CY, 2023-2025, England & the Netherlands. Picture: Dante Shepherd, Thijs Horst & Mars Muusse.Red tibia ring r[4.8] and metal NLA 5.629.610, ringed as pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E) - ringer Leon Kelder. Recoveries: below: Caspian Gull cachinnans 4.8 3CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.below: Caspian Gull cachinnans 4.8 1CY, August 17 2023, Greenwich - London, England. Picture: Dante Shepherd. |