| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  D|G 1CY-2CY, July  2024 - May 2025, the Netherlands.  Picture: Theo Ruppert, 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-D|G and metal NLA 5.629.200, ringed as  pullus Larus cachinnans on May 09 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder.  Recoveries:06-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst
 10-04-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 22-03-2025 Medemblik (Gemaal Lely), Noord-Holland, NL 5.246,00 N 506,00 E colourring read Renate Visscher
 10-04-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 12-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 25-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 06-05-2025 Scharwoude (Gemaal Westerkogge), Noord-Holland, NL 5.237,00 N 501,00 E colourring read Theo Ruppert
 Nest data 2024 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 9-5-2024 | ...5629199 | 1 | D|F | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | YES | C10 |  
    | 9-5-2024 | ...5629200 | 1 | D|G | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | YES | C10 |  
    | 9-5-2024 | ...5629201 | 1 | D|H | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | ? | C10 |  below: Caspian Gull cachinnans  D|G 2CY, May 06 2025, Scharwoude, the Netherlands. Picture:  Theo Ruppert.
 below: Caspian Gull cachinnans  D|G 2CY, April 12 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 below: Caspian Gull cachinnans  D|G 2CY, April 10 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 below: Caspian Gull cachinnans  D|G 1CY,  July 30 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
 below: Caspian Gull cachinnans  D|G 1CY, July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
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