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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Breeding biology
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Herring Gull argenteus N:T 1CY, September 23 2026, Den Helder, the Netherlands. Picture: Mardik Leopold.

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

Tibia Y-N:T and metal 5.645.660, ringed as pullus Larus argentatus on May 30 2026 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Head+bill: 67,1
Mass: 205,0

Recoveries:
23-09-2026 Den Helder (Haven), Noord-Holland, NL 5.257,00 N 446,00 E colourring read Mardik Leopold

below: Herring Gull argenteus N:T 1CY, September 23 2026, Den Helder, the Netherlands. Picture: Mardik Leopold.