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 B:B 1CY, 2025, the Netherlands. Picture: 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-B:B and metal 5.633.710, ringed as pullus Larus cachinnans on May 16 2025 at IJsselmeer (De Kreupel), Noord-Holland, 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. Muusse
04-08-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
24-08-2025 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst

Data for nest Q26 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5633710 y-B:B 16-5-2025 Caspian Gull pullus 1 egg the Netherlands, De Kreupel - eiland Q. Q26 Leon Kelder 64,3 167,0

below: Caspian Gull cachinnans B:B 1CY, August 04 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans B:B 1CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.