Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

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

Great Black-backed Gull 3070781(Larus marinus) 2cy: October 22 2001, Westkapelle, the Netherlands (51.33 N, 3.25 E). 

Ringed individual with ring-code Denmark 3070781. Primary p10 almost fully grown. This bird was ringed as a nestling on June 23 2000 at Sudero, Norre Alslev, Falster in Denmark (54.57N,11.42E). In case you find a Danish ringed Great Black-backed Gull you can contact the Zoologisk Museum in Copenhagen by e-mail: or just have a look at their website: for more information about the museum.