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 P|B 1CY-2CY, 2025-2026, the Netherlands. Picture: Niels van Pelt, 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 G-P|B and metal NLA 5.639.032, ringed as pullus Larus cachinnans on May 09 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
26-01-2026 Brabantse Biesbosch (Polder Hardenhoek), Noord-Brabant, NL 5.145,00 N 445,00 E colourring read Niels van Pelt

Data for nest Q13 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5639032 g-P|B 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland Q. Q13 Leon Kelder 68,0 226,0
NLA 5639033 g-P|C 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland Q. Q13 Leon Kelder 58,4 132,0

below: Caspian Gull cachinnans P|B 2CY, January 26 2026, Brabantse Biesbosch, the Netherlands. Picture: Niels van Pelt.

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