| 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  J|P 1CY, August-December  2024, the Netherlands & Germany. Picture: Bernhard Deykowski & Thijs Horst.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-J|P and metal NLA 5.629.352, ringed as  pullus Larus cachinnans on May 24 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder.  Recoveries:22-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 25-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 29-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 01-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 22-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
 03-12-2024 Cuxhaven (Haven), Niedersachsen, DUITSLAND 5.352,00 N 842,00 E colourring read Bernhard Deykowski
 10-01-2025 Cuxhaven (Haven), Niedersachsen, DUITSLAND 5.352,00 N 842,00 E colourring read Bernhard Deykowski
 Nest data 2024: 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 24-5-2024 | ...5629350 | 1 | J|M | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | ? | Q10 |  
    | 24-5-2024 | ...5629351 | 1 | J|N | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | YES | Q10 |  
    | 24-5-2024 | ...5629352 | 1 | J|P | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | YES | Q10 |  below: Caspian Gull cachinnans  J|P 1CY, December 03 2024, Cuxhaven, Germany. Picture: Bernhard Deykowski.
 below: Caspian Gull cachinnans  J|P 1CY, August 05 2024,   colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
 |