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|J 1CY, 2025, Oostknollendam, the Netherlands. Picture: Martijn van Manen.

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

Tibia G-B|J and metal NLA 6.254.596, ringed as pullus Larus cachinnans on June 18 2025 at Amsterdam (Durgerdam-Hoeckelingsdam), the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).

Recoveries:
06-09-2025 Oostknollendam (De Marken), Noord-Holland, NL 5.230,00 N 449,00 E colourring read Kees Floris & Martijn van Manen
26-09-2025 Oostknollendam (De Marken), Noord-Holland, NL 5.230,00 N 449,00 E colourring read Els Floris
12-10-2025 Oostknollendam (De Marken), Noord-Holland, NL 5.230,00 N 449,00 E colourring read Kees Floris

Data for this nest in 2025:

date darvic metal nest species sexe age wing mass head+ bill bill gonys barcode comments
18-6-2025 G-B|J .6254596 Kinseldam PONT pullus 300 1036 121,4       Ringed pullus
                   

Tibia ring G-B|J was used for a pullus Larus cachinnans on May 07 2024 in nest 231-2024 at Lelystad. That bird was found dead on June 04 2024 in colony Lelystad. Ring used again in 2025.

below: Caspian Gull cachinnans B|J 1CY, September 06 2025, Oostknollendam, the Netherlands. Picture: Martijn van Manen.