| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
 National trend
 Site characteristics
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 Fecundity
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 Hybrid scores
 Ring codes
 Future
 | Caspian  Gull cachinnans  6|B 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|B and metal NLA 5.629.161, 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 | ...5629161 | 1 | 6|B | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | ? | L1 |  17-5-2024 | ...5629161 | 4 | 6|B | Green | 5927 | 1 | - | 0 | IJsselmeer, Enkhuizen, De    Kreupel eiland L. | ? |  | 
    | 9-5-2024 | ...5629162 | 1 | 6|C | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | YES | L1 |  
    | 9-5-2024 | ...5629163 | 1 | 6|E | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland L. | YES | L1 |  |