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| Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse | Caspian Gull cachinnans X80A 5CY-7CY, June 2022 - July 2024, colony De Kreupel, the Netherlands. Picture: Leon Kelder, Thijs Horst & Mars Muusse. Tarsus ring y-X80A and metal Hiddensee EA202480, ringed as pullus Larus cachinnans on June 03 2018 at Kiesgrube Laußig,  Germany. In 2023:  below: Caspian Gull cachinnans X80A 7CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.below: Caspian Gull cachinnans X80A 7CY, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 below: Caspian Gull cachinnans X80A 7CY, March 03 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 
 below: Caspian Gull cachinnans X80A 6CY, April 30 - May 01 2023, De Kreupel - M, the Netherlands. Picture: Leon Kelder - camera trap.Nest M7. Parents are y-0.10 and y-X80A. 
 
 
 
 below: Caspian Gull cachinnans X80A 5CY, June 17 2022, De Kreupel - M, the Netherlands. Picture: Leon Kelder - camera trap.
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