Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Caspian Gull cachinnans 0|M 2CY-3CY, 2024-2025, the Netherlands. Picture: Thijs Horst, Mars Muusse, Eric Menkveld & Sietse Bernardus.
Tibia G-0|M and metal NLA 5.629.637, ringed as pullus Larus cachinnans on May 12 2023 at De Kreupel, Holland (5247.00 N 513.00 E).
Ringer Leon Kelder.
Recoveries:
01-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
02-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
21-01-2024 Den Oever (Buitenhaven), Noord-Holland, NL 5.256,00 N 502,00 E colourring read T. Horst & M. Muusse
17-02-2024 Den Oever (Buitenhaven), Noord-Holland, NL 5.256,00 N 502,00 E colourring read Fred Visscher
02-07-2024 Kornwerderzand (Afsluitdijk), Friesland, NL 5.301,00 N 512,00 E colourring read Hans van Muiswinkel
12-10-2024 Kornwerderzand (Afsluitdijk), Friesland, NL 5.301,00 N 512,00 E colourring read Alwin van Lubeck
08-04-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
10-04-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
below: Caspian Gull cachinnans 0|M 3CY, April 10 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans 0|M 3CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans 0|M 2CY, March 30 2024, Kornwerderzand, the Netherlands. Picture: Eric Menkveld.



below: Caspian Gull cachinnans 0|M 2CY, March 30 2024, Kornwerderzand, the Netherlands. Picture: Sietse Bernardus.

below: Caspian Gull cachinnans 0|M 2CY, January 21 2024, Den Oever, the Netherlands. Picture: Mars Muusse.


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