| 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
 Breeding species
 Hybrid scores
 Ring codes
 Future
 |  Caspian Gull cachinnans 4.3 1CY-3CY,    2023-2025,  the Netherlands, Portugal & Spain. Picture: Thijs Horst, Mars Muusse & Rafa Garcia.Red  tibia  ring r[4.3] and metal NLA 5.629.603, ringed as pullus Larus cachinnans on April 29 2023 at De Kreupel, Holland (5247.00 N 513.00 E) - ringer Leon Kelder. Recoveries:12-05-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
 24-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
 14-10-2023 Olhao (Salinas), Algarve, PORTUGAL 3.701,00 N 751,00 W colourring read Monika Ballmann & Thijs Horst
 11-02-2024 Chipiona (Strand), Cádiz, SPANJE 3.644,00 N 625,00 W colourring read Rafael Garcia Costales
 17-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 18-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 21-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
 below: Caspian Gull cachinnans 4.3 3CY,  July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse..JPG)
 .JPG)
 
 below: Caspian Gull cachinnans 4.3 2CY, July 19 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 
 below: Caspian Gull cachinnans 4.3 2CY, April 18 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 
 
 
 below: Caspian Gull cachinnans 4.3 2CY, February 11 2024, Micaela Beach - Chipiona, Spain. Picture: Rafa Garcia.R[4.3] in Cádiz, Spain (36.74 N 06.42 W). 
 
 below: Caspian Gull cachinnans 4.3 1CY, October 14 2023, Olhão, Portugal. Picture: Thijs Horst.
 |