Great
Black-backed Gull (Larus marinus) 2cy JE62 September 26 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.
Great
Black-backed Gull (Larus marinus) 2cy JL6M September 09 2006, Papendrecht, the Netherlands. Picture Albert de Jong.
Great
Black-backed Gull (Larus marinus) 2cy: September 30 2001, Le
Portel - Boulogne/Mer, France (50.42 N - 01.34
E).
Primary p10 still has to grow a few inches and is at the length of p7, p9 is fully grown.
Great
Black-backed Gull (Larus marinus) 2cy: September 20 2003,
IJmuiden, the Netherlands (52.27 N - 04.33
E).
Primary P8 is fully grown.