| 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 / 2Z  1CY,  July  2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
Tibia ring  B/W-2Z and metal NLA 5.632.470,  ringed as pullus Larus fuscus  (metal on July 04) on July 12 2024 at   IJsselmeer (De Kreupel), the Netherlands. Ringer: Leon Kelder. Recoveries:30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & Jeroen van Assema.
 below: Lesser Black-backed Gull graellii AC / 2Z 1CY,  July 30 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst.
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