| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Herring Gull argenteus B / KG 1CY,  2025, August 31 2025, Badhoevedorp, the Netherlands. Picture: Sebastiaan de Klerk.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  B/R-KG and metal NLA 6.254.592, ringed as  pullus Larus argentatus on June 14 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 22-08-2025 Amsterdam (Sloterplas), Noord-Holland, NL 5.222,00 N 449,00 E colourring read Willem van der Waal
 31-08-2025 Badhoevedorp (Kagentocht), Noord-Holland, NL 5.245,00 N 420,00 E colourring read Sebastiaan de Klerk
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |  
          | 14-6-2025 | B/R-KG | .6254591 | blokken dam 1 nest 23 | ZM |  | pullus |  | 383 |  |  |  |  | Ringed pullus |  
          | 25-6-2025 | B/R-KG | .6254591 | blokken dam 1 nest 23 | ZM |  | pullus |  | 711 |  |  |  |  |  |  below: Herring Gull argenteus B / KG 1CY,  2025, August 31 2025, Badhoevedorp, the Netherlands. Picture: Sebastiaan de Klerk.
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