| Coordinator: Albert de Jong
 Merijn Loeve
 Roland-Jan Buijs
 Thijs Horst
 Leon Kelder
 Mars Muusse
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 |  Herring Gull argenteus AC / A7  1CY, June-November 2024,  Lelystad & IJmuiden, the Netherlands. Picture:  Mars Muusse & Thijs Horst.
Tibia ring  BW-A7 and metal ring Arnhem NLA 5.631.019, 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 cluster 60-62-63-126-127.
 Recoveries:18-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 03-11-2024 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read Nathalie Colpaert, Aad van der Ent, T. Horst & M. Muusse & Noud van den Berg
 04-11-2024 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read T. Horst & M. Muusse
 09-11-2024 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read Jack van Velzen
 10-11-2024 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read T. Horst & M. Muusse
 11-01-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Fred Cottaar
 12-01-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Kees de Jager, T. Horst & M. Muusse
 22-02-2025 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Bert Winters
 below: Herring Gull argenteus AC / A7 1CY, November 04 2024, IJmuiden, the Netherlands. Picture:  Mars Muusse.
 
 below: Herring Gull argenteus AC / A7 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 |  18-06-2024 | b/w-A7 | .5631019 | cluster 60-62-63 | argenteus |  | 1CY | 152 | 769 | 92,3 |  
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