| 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  D|F 1CY,   August-November 2024, the Netherlands & England. Picture: Hans van Muiswinkel, Thijs Horst, Mars Muusse & Martin  Sidwell.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-D|F and metal NLA 5.629.199, ringed as  pullus Larus cachinnans on May 09 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder. Recoveries:02-07-2024 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
 14-08-2024 Hartlepool Headland (Intertidal Zone), Durham, ENGELAND 5.441,00 N 110,00 W colourring read Martin N Sidwell
 14-10-2024 Bunschoten-Spakenburg (Visverwerker), Utrecht, NL 5.215,00 N 523,00 E colourring read Hans van Muiswinkel
 11-11-2024 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.228,00 N 434,00 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: |  
          | 9-5-2024 | ...5629199 | 1 | D|F | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | YES | C10 |  
          | 9-5-2024 | ...5629200 | 1 | D|G | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | YES | C10 |  
          | 9-5-2024 | ...5629201 | 1 | D|H | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland C. | ? | C10 |  below: Caspian Gull cachinnans  D|F 1CY,   November 11 2024, IJmuiden, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 below: Caspian Gull cachinnans  D|F 1CY,   October 14 2024, Spakenburg, the Netherlands. Picture: Hans van Muiswinkel.
 
 below: Caspian Gull cachinnans  D|F 1CY,   August 14 2024, Durham, England. Picture: Martin N Sidwell.
 
 below: Caspian Gull cachinnans  D|F 1CY,   August 05 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 
 
 |