| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans N|T adult, May 01 2025,  colony Lelystad, the Netherlands.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-N|T and metal NLA 6.254.560, ringed as  breeding adult Larus cachinnans on May 01 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:=
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | barcode | greyscale | comments |  1-5-2025 | G-N|T | .6254560 | 48 | PONT | M | >4CY | 473 | 1249 | 136,2 | 63,4 | 73,7 | 22 | 6 | 25B00660 | Trapped by    ringer. |  |