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) 6V5 1CY, December 01 2012, Hatteras, North Carolina. Picture: Nathan Gatto.

Ringed at Appledore Island, July 2012.

US=100%, LS=25-50%, TOT SCAPS=50-75% 2nd gen. Coverts and tertials still juvenile.