Herring Gull argentatusHN06P 1CY, October 19 2018, Katwijk, the Netherlands.
Silbermöwe (Larus argentatus), ringed Helgoland N107928 and yellow HN06P, ringed as pullus on 10.07.2018 at Helgoland / Düne (54.11'N, 07.55'E).
bisherige Wiederfunde:
22.07.2018 Helgoland / Düne 54 11 N 7 55 E Meinken, M.
05.08.2018 Helgoland / Düne 54 11 N 7 55 E Meinken, M.
19.10.2018 NL - Katwijk an Zee 52 12 N 4 24 E Muusse, M.