Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
|
Herring Gull argentatus YZ5.T adult, December 15 2015, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.Bird ringed by North Thames Gull Group, trapped in winter at British landfill, at Rainham tip, Greater London. Ringed in winter, and unlikely of western orgin, much more like Scandinavian argentatus. Grey tone of upperparts too dark for local bird. |