| Coordinator: Albert de Jong
 Merijn Loeve
 Roland-Jan Buijs
 Thijs Horst
 Leon Kelder
 Mars Muusse
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 |  Herring Gull argenteus AC / A2  1CY, June - July 2024, IJmuiden & Lelystad, the Netherlands. Picture:  Mars Muusse & Thijs Horst.
Tibia ring  BW-A2 and metal ring Arnhem NLA 6.235.905, ringed as pullus Larus argentatus on June 18 2024 at  Lelystad (Bataviahaven), the Netherlands. Ringer: Mars Muusse (Roland-Jan Buijs ringing team).Not allocated to any nest; trapped at  dam 1 opposite harbour near sign 2,5.
 Recoveries:22-07-2024 IJmuiden (Strand), Noord-Holland, NL 5.227,00 N 434,00 E colourring read Mars Muusse
 22-08-2024 Den Helder (Kustwachttoren), Noord-Holland, NL 5.256,00 N 443,00 E colourring read T. Horst & M. Muusse
 09-10-2024 Zwanenwater (Strand), Noord-Holland, NL 5.248,00 N 440,00 E colourring read Ruud Costers
 25-10-2024 Schoorl aan Zee (Strand), Noord-Holland, NL 5.241,00 N 438,00 E colourring read Jacos Jes
 below: Herring Gull argenteus AC / A2 1CY, July 22 2024, IJmuiden, the Netherlands. Picture:  Mars Muusse.
 below: Herring Gull argenteus AC / A2 1CY, June 18 2024, colony Lelystad, the Netherlands. Picture:  Mars Muusse, Albert de Jong & Thijs Horst.
      
      
      
        | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill |  18-6-2024 | b/w-A2 | .6235905 | dam 1 - bord 2,5 | Zilver |  | 1CY | 253 | 871 | 107,2 |  
 
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