| 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
 Breeding species
 Hybrid scores
 Ring codes
 Future
 | Caspian  Gull cachinnans  6|5 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|5 and metal NLA 5.629.155, 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 | ...5629154 | 1 | 6|4 | Green | 5927 | 1 | - | 2 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | ? | M11 |  
    | 9-5-2024 | ...5629155 | 1 | 6|5 | Green | 5927 | 1 | - | 2 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | ? | M11 |  7-6-2024 | ...5629155 | 4 | 6|5 | Green | 5927 | 1 | - | 2 | IJsselmeer, Enkhuizen, De    Kreupel eiland Q. | ? |  | 
    | 17-5-2024 | ...5629310 | 1 | H|H | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland M. | YES | M11 |  |