Herring Gull (argentatus) X458 2CY, October 23 2018, Noordwijk, the Netherlands.
Ringed as possible hybrid pullus on June 03 2017 at Laußig, Germany, a mixed colony with dominance of cachinnans. however, most argentatus-like bird here.
Recoveries:
21-10-2017 Neeltje Jans, the Netherlands
10-06-2018 Borgharen, the Netherlands
11-07-2018 Haccourt, Belgium
08-09-2018 Raversijde, Belgium
27-09-2018 Haccourt, Belgium
23-10-2018 Noordwijk, the Netherlands