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) 1MC 3CY-4CY, April 2014 & 2015, Howth, Ireland. Picture: Graham Prole.

Ringed on island Irelands Eye, near Dublin, summer 2012. Visit Graham's blog!

below: Great Black-backed Gull (Larus marinus) 1MC 4CY, April 11 2015, Howth, Ireland. Picture: Graham Prole.

Dark markings in underwing coverts.

below: Great Black-backed Gull (Larus marinus) 1MC 3CY, April 15 2014, Howth, Ireland. Picture: Graham Prole.

Complete moult not started. Mirror on old 2nd gen P10.

below: island Irelands Eye, near Dublin.