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| Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse | Caspian Gull cachinnans 0.27 adult, July-August 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.Tarsus ring y-0.27, ringed as breeding adult Larus cachinnans on May 03 2024 at De Kreupel - island Q, the Netherlands (5247.00 N 513.00 E). Ringer Kees Camphuysen & Leon Kelder. Recoveries: 
 below: Caspian Gull cachinnans 0.27 adult, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.below: Caspian Gull cachinnans 0.27 adult, August 05 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.below: Caspian Gull cachinnans 0.27 adult, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 below: Caspian Gull cachinnans 0.27 adult, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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