Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) 6cy JL01 April 22 2011, Vest-Agder, S Norway. Picture: Morten Helberg.

Black ring JL01 is a male, here in the colony in S Norway. Bird ringed as pullus in 2006. Note black on bill.