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)

Great Black-backed Gull (Larus marinus) 1TC 3CY, June 09-20 2014, Bray Harbour, Ireland. Picture: Ronnie Martin.

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Ringed on island Irelands Eye, near Dublin, summer 2012 by Chris Honan.

below: Great Black-backed Gull (Larus marinus) 1TC 3CY, June 20 2014, Bray Harbour, Ireland. Picture: Ronnie Martin.

All visible primaries (P5-P10 still old), but note new blackish median coverts indicating complete moult is on its way (and probably this bird has new inner primaries at the moment).

below: Great Black-backed Gull (Larus marinus) 1TC 3CY, June 09 2014, Bray Harbour, Ireland. Picture: Ronnie Martin.

Complete moult started: new outer MC and new upper TT.

below: island Irelands Eye, near Dublin.