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)

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Great Black-backed Gull (Larus marinus) 68K 1cy: October 25 2012, Westkapelle, the Netherlands. Picture: Corstiaan Beeke.

Ringed as pullus on May 15 2012 at Le Havre, Normandy, France. On October 06 still in France, at Vierville-sur-Mer, Calvados, now in the Netheralnds and again in France in February 2013. 

US: 75-99%, LS: 25-50%, TOT SCAPS: 50-75%. Tertials and coverts juvenile.