| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  H|B 1CY, July-October  2024, the Netherlands & England. Picture: Chris Booth, 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 ring G-H|B and metal NLA 5.629.304, ringed as pullus Larus cachinnans on May 17 2024 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E), by ringer  Leon Kelder. Recoveries:22-07-2024 Titchwell (Titchwell RSPB), Norfolk, ENGELAND 5.258,00 N 36,00 E colourring read Chris Booth
 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
 05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
 26-10-2024 Nederlands Continental Plat (Offshore), Voordelta, NL 5.141,00 N 329,00 E colourring read T. Horst & M. Muusse
 Nest data 2024: 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 17-5-2024 | ...5629302 | 1 | H|9 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | ? | L15 |  
    | 17-5-2024 | ...5629303 | 1 | H|A | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | YES | L15 |  19-7-2024 | ...5629303 | 4 | H|A | Green | 5927 | 1 | - | 0 | IJsselmeer, Enkhuizen, De    Kreupel eiland M. | YES |  | 
    | 17-5-2024 | ...5629304 | 1 | H|B | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | YES | L15 |  below: Caspian Gull cachinnans  H|B 1CY,  October 26 2024, off-shore Renesse, the Netherlands. Picture: Mars Muusse.
 
 below: Caspian Gull cachinnans  H|B 1CY,  July 30 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
 below: Caspian Gull cachinnans   H|B 1CY,  July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 below: Caspian Gull cachinnans  H|B 1CY, July 22 2024, Titchwell - Norfolk, UK. Picture: Chris Booth.
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