| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Herring Gull argenteus B / KS 1CY,  August 11 2025,  Zandvoort, the Netherlands. Picture: Michel Boeken.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  B/R-KS and metal NLA 6.254.605, ringed as  pullus Larus argentatus on June 25 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:11-08-2025 Zandvoort (Strand), Noord-Holland, NL 5.221,00 N 430,00 E colourring read Michel Boeken
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |  
          | 25-6-2025 | B/R-KS | .6254605 | BIJ 60 CLUSTER | ZM |  | pullus |  | 456 |  |  |  |  | Ringed pullus |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Herring Gull argenteus B / KS 1CY,  August 11 2025,  Zandvoort, the Netherlands. Picture: Michel Boeken.    .png)
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