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) HM32 1cy, December 31 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus in Germany. Ring data pending.

US= 75-99%, LS=1-25%, TOT SCAPS=25-50%. Coverts and tertials still juvenile.