| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
 National trend
 Site characteristics
 Breeding biology
 Fecundity
 Food resources
 Nonbreeding season
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 Hybrid scores
 Ring codes
 Future
 | Caspian  Gull cachinnans  6|6 1CY, May 2024, colony De Kreupel, the Netherlands.  
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-6|6 and metal NLA 5.629.156, ringed as  pullus Larus cachinnans on May 09 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder. Recoveries:---
 Nest data 2024: 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 9-5-2024 | ...5629156 | 1 | 6|6 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | ? | M12 |  
    | 9-5-2024 | ...5629157 | 1 | 6|7 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | YES | M12 |  
    | 9-5-2024 | ...5629158 | 1 | 6|8 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | YES | M12 |  |