| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  D:8 1CY, July 2025, colony De Kreupel, the Netherlands.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  Y-D:8 and metal NLA 5.633.783, ringed as pullus Larus cachinnans on May  22 2025 at  IJsselmeer (De Kreupel), Noord-Holland, by ringer Leon Kelder. Recoveries:13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
 07-08-2025 Keighley (Redcar Tarn), West Yorkshire, ENGELAND 5.352,00 N 156,00 W colourring read Keith Moir
 Data for nest M? - 2025. 
        
        
        
        
        
        
        
        
        
        
        
        
          | Metal    ring | Colour ring | Date | Species | Age | Clutch size | Location | Nest code | Ringer | Head+Bill | Mass | Wing | Parents |  
          | NLA 5633782 | y-D:7 | 22-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland M. | M? | Leon Kelder | 68,3 | 237,0 |  |  |  
          | NLA 5633783 | y-D:8 | 22-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland M. | M? | Leon Kelder | 72,8 | 273,0 |  |  |  
          | NLA 5633784 | y-D:9 | 22-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland M. | M? | Leon Kelder | 72,3 | 298,0 |  |  |  below: Caspian Gull cachinnans D:8 1CY,  July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse..JPG)
 
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