| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  H|T 1CY-2CY,   2024-2025,  the Netherlands.  Picture: Bé Schilder, Thijs Horst & Mars Muusse.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-H|T and metal NLA 5.629.321, ringed as  pullus Larus cachinnans on May 24 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder.  Recoveries:10-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 14-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
 01-08-2025 De Wijk (Ossesluis), Drenthe, NL 6.240,00 N 620,00 E colourring read Bé Schilder
 Nest data 2024: 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 17-5-2024 | ...5629251 | 1 | E|T | Green | 5927 | 1 | - | 1 | IJsselmeer, Enkhuizen, De    Kreupel, eiland N. | YES | N4 |  
    | 24-5-2024 | ...5629321 | 1 | H|T | Green | 5927 | 1 | - | 1 | IJsselmeer, Enkhuizen, De    Kreupel, eiland N. | YES | N4 |  As clutch size is 1, and there are 2 birds ringed in this nest, logic tells one bird should be from other parents. below: Caspian Gull cachinnans  H|S 2CY, August 01 2025,   De Wijk (Ossesluis), the Netherlands.  Picture: Bé Schilder.
 below: Caspian Gull cachinnans  H|S 1CY, August 05 2024,   colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
 
 
 
 
 below: Caspian Gull cachinnans  H|T 1CY, July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 below: Caspian Gull cachinnans  H|T 1CY, July 19 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
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