| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
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   | Caspian Gull cachinnans  1|T 2CY,  February-October 2024, Belgium & France. Picture: Serge Kmiecik & Bart Put.Tibia  G-1|T and metal NLA 5.623.827, ringed as  pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E). 
      Ringer  Leon Kelder. Recoveries:04-07-2023 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
 26-02-2024 Téting-sur-Nied, Moselle, FRANKRIJK 4.902,00 N 641,00 E colourring read Serge Kmiecik
 25-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 30-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 27-10-2024 De Haan (Strand), West-Vlaanderen, BELGIE 5.126,00 N 303,00 E colourring read Bart Put
 below: Caspian Gull cachinnans  1|T 2CY,  October 27 2024, De Haan - beach, Belgium. Picture: Bart Put.
 below: Caspian Gull cachinnans  1|T 2CY,  February 26 2024, Téting-sur-Nied, France. Picture: Serge Kmiecik.
 
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