| 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
 Food resources
 Nonbreeding season
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   | Caspian Gull cachinnans  0|X 1CY-2CY,  August  2023 - October 2024, the Netherlands & England. Picture: Annelies Marijnis, Andy Hale & Andy Stoddart.Tibia  G-0|X and metal NLA 5.629.646, ringed as  pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E). 
      Ringer  Leon Kelder. Recoveries:3-7-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 13-8-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Andy Hale
 15-8-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Andy Stoddart
 20-8-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Andy Hale
 below: Caspian Gull cachinnans  0|X 2CY,  October 2024, Katwijk aan Zee, the Netherlands. Picture: Annelies Marijnis.
 
 below: Caspian Gull cachinnans  0|X 1CY,  August 20 2023, Cromer - Norfolk, England. Picture: Andy Hale.
 below: Caspian Gull cachinnans  0|X 1CY,  August 15 2023, Cromer - Norfolk, England. Picture: Andy Stoddart.
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