| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 |  Herring Gull argenteus (hybrid?) K|8 1CY, July-August  2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-K|8 and metal NLA 5.629.371, ringed as  pullus Larus argentatus hybrid(?) on May 24 2024 at De Kreupel, Holland (5247.00 N 513.00 E). 
        Ringer  Leon Kelder.  Recoveries:22-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst
 05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
 Nest data 2024: 
  
  
  
  
  
  
  
  
  
  
  
  
  
    | Date trapped: | Metal code | ... | Tibia: | Colour: | Species: | Age: | Status | Clutch size: | Location: | Fledged: | Nest code: |  
    | 24-5-2024 | ...5629370 | 1 | K|7 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | ? | Q24 |  
    | 24-5-2024 | ...5629371 | 1 | K|8 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | YES | Q24 |  
    | 24-5-2024 | ...5629372 | 1 | K|9 | Green | 5927 | 1 | - | 3 | IJsselmeer, Enkhuizen, De    Kreupel, eiland Q. | ? | Q24 |  below: Herring Gull argenteus (hybrid?) K|8 1CY, August 05 2024,   colony De Kreupel, the Netherlands.  Picture: Thijs Horst.Maybe even more a Herring Gull hybrid than a Caspian Gull hybrid. 
 
 
 
 below: Herring Gull argenteus (hybrid?) K|8 1CY, July 30 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
 
 below: Herring Gull argenteus (hybrid?) K|8 1CY,  July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 
 
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