| Coordinator: Albert de Jong
 Merijn Loeve
 Roland-Jan Buijs
 Thijs Horst
 Leon Kelder
 Mars Muusse
 Home Project InfoInternational trend
 National trend
 Site characteristics
 Breeding biology
 Fecundity
 Food resources
 Nonbreeding season
 Breeding species
 Hybrid scores
 Ring codes
 Future
 |  Herring Gull argenteus AC / F6  1CY,  August  2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.
Tibia ring  B/W-F6 and metal ring Arnhem NLA 5.632.465 ringed as pullus Larus argentatus on July 04 2024 at   IJsselmeer (De Kreupel), the Netherlands. Ringer: Leon Kelder. Recoveries:05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
 below: Herring Gull argenteus AC / F6 1CY, August 05 2024,   colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 
 
 
 
 |