Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Caspian Gull cachinnans C:X 1CY, 2025, the Netherlands & France. Picture: Emmanuel Chabot, Thijs Horst & Mars Muusse.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia Y-C:X and metal Arnhem NLA 5.633.770, ringed as pullus Larus cachinnans on May 22 2025 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E), by ringer Leon Kelder.

Recoveries:
13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
18-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Loeve
26-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Thijs Horst
02-10-2025 Graye-sur-Mer (Seulles), Calvados, FRANRIJK 4.920,01 N 28,00 W colourring read Emmanuel Chabot

Data for nest L14 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5633770 y-C:X 22-5-2025 Caspian Gull pullus 1 egg the Netherlands, De Kreupel - eiland L. L14 Leon Kelder 51,1 83,0

below: Caspian Gull cachinnans C:X 1CY, October 02 2025, Graye-sur-Mer, france. Picture: Emmanuel Chabot.

below: Caspian Gull cachinnans C:X 1CY, July 26 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans C:X 1CY, July 18 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

With (assumed) parent r-C.N, 4CY hatched from Lelystad colony.