| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Herring Gull argenteus B / JB adult, April 28 2025,  colony Lelystad, the Netherlands.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  B/R-JB and metal NLA 6.254.497, ringed as  breeding adult Larus argentatus on April 28 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 |  
          | 28-4-2025 | B/R-JB | .6254497 | nest 230 | ZM | F | >4CY | 428 | 895 | 110,8 | 48,1 | 65,6 | 18,6 | 25B00553 | 5 | Trapped by    ringer. Breeder on 3 eggs. |  |