Great
Black-backed Gull (Larus marinus) 4cy E703:
November 21 - 28 2004, Westkapelle, the Netherlands. Ringed in 2001, isle of
Terschelling, the Netherlands. Picture Pim Wolf.
Great
Black-backed Gull (Larus marinus) 4cy J8X7 November 02 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.