Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Herring Gull argenteus S|4 1CY, June 26 2021, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.

Ringed as pullus Larus argentatus argenteus on June 26 2021 as probable neighbour of nest 62 at dam 1.
ID on inner primary pattern.