| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
 National trend
 Site characteristics
 Breeding biology
 Fecundity
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   | Caspian Gull cachinnans  0|5 1CY,  August 17 2023, Pontypool -  South Wales, England. Picture: Craig Constance.Tibia  G-0|5 and metal NLA 5.629.621, ringed as  pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E). 
      Ringer  Leon Kelder. Recoveries:19-05-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
 17-08-2023 Pontypool (Llandegfedd Reservoir), South Wales, ENGELAND 5.145,00 N 258,00 W colourring read Craig Constance
 below: Caspian Gull cachinnans  0|5 1CY,  August 17 2023, Pontypool -  South Wales, England. Picture: Craig Constance.
 
 
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