| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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   | Caspian Gull cachinnans  2|K 1CY-2CY, December   2023 - July 2024, the Netherlands & France. Picture: Eric Roeland, Vincent Le Brun, Pascal Lavoué, Thijs Horst & Mars Muusse.Tibia  G-2|K and metal NLA 5.623.855, ringed as  pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E). 
      Ringer  Leon Kelder. Recoveries:05-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 08-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 25-12-2023 La Ferté-Bernard, Sarthe, FRANKRIJK 4.809,00 N 38,00 E colourring read Vincent Le Brun
 27-12-2023 La Ferté-Bernard, Sarthe, FRANKRIJK 4.809,00 N 38,00 E colourring read Vincent Le Brun
 06-02-2024 Sainte-Sévère (Vuilstort), Charente, FRANKRIJK 4.545,00 N 16,00 E colourring read Pascal Lavoué
 29-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 30-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 01-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 17-05-2025 De Cocksdorp (De Volharding), Texel, NL 5.307,00 N 451,00 E found dead Publieke melder
 below: Caspian Gull cachinnans  2|K 2CY, July 19 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 below: Caspian Gull cachinnans  2|K 2CY, March 29 2024, Almere - De Vaart, the Netherlands. Picture: Eric Roeland.
 below: Caspian Gull cachinnans  2|K 1CY, December 25  2023, Sainte-Sévère, France. Picture: Pascal Lavoué.
 
 below: Caspian Gull cachinnans  2|K 1CY, December 25  2023, La Ferté-Bernard, France. Picture: Vincent Le Brun.
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