| Coordinator: Albert de Jong
 Merijn Loeve
 Roland-Jan Buijs
 Thijs Horst
 Leon Kelder
 Mars Muusse
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 |  Lesser Black-backed Gull graellii AC / 2D  1CY,  July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
Tibia ring  B/W-2D and metal ring Arnhem NLA 5.633.669 ringed as pullus Larus fuscus on July 12 2024 at   IJsselmeer (De Kreupel), the Netherlands. Ringer: Leon Kelder. Recoveries:28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 below: Lesser Black-backed Gull graellii AC / 2D 1CY,  July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
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