| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
 National trend
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 Fecundity
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 | Caspian Gull cachinnans  V|+ 1CY, July 19 2025, Lowestoft - Suffolk, England. Picture: Andrew Easton.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibias G-V|+ and metal 5.639.089, ringed as  pullus Larus cachinnans on  9-5-2025 at  IJsselmeer (De Kreupel), Noord-Holland, NL 5247.00 N 513.00 E. 
      Ringer: Leon Kelder. Recoveries:19-07-2025 Lowestoft (Ness Point), Suffolk, ENGELAND 5.228,00 N 145,00 E colourring read Andrew Easton
 Data for nest D1 - 2025. 
        
        
        
        
        
        
        
        
        
        
        
        
          | Metal    ring | Colour ring | Date | Species | Age | Clutch size | Location | Nest code | Ringer | Head+Bill | Mass | Wing | Parents |  
          | NLA 5639089 | g-V|+ | 09-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland D. | D1 | Leon Kelder | 62,7 | 166,0 |  |  |  below: Caspian Gull cachinnans  V|+ 1CY, July 19 2025, Lowestoft - Suffolk, England. Picture: Andrew Easton.
 
 
 
 
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