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 adult April

 

 gbbg09704.jpg (81034 bytes)Great Black-backed Gull L. marinus 6cy JL01 April 22 2011, Vest-Agder, S Norway. Picture: Morten Helberg.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull L. marinus 6cy male JL49 & 5cy female J06X April 22 2011, Mandal, S Norway. Picture: Morten Helberg.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull L. marinus 9cy J95N April 22 2011, Mandal, S Norway. Picture: Morten Helberg.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull L. marinus 8cy JC5X April 24 2011, Mandal, S Norway. Picture: Morten Helberg.
5825stavangergbbg.jpg (55334 bytes)Great Black-backed Gull (Larus marinus) SVS 9159239 5cy-9cy, March 2012-June 2016, Boulogne-sur-Mer, France. Picture Jean-Michel Sauvage.
9101.jpg (76303 bytes)Great Black-backed Gull (Larus marinus) 95C female: 2013-2014, Calais, France. Picture Jean-Michel Sauvage.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull (Larus marinus) 2E2 adult, April 21 2012 - July 28 2013, Sandy Point Beach - Plum Island. Picture: Steve Arena, Jorge de Leon & Jeffrey Offermann.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 1EN 5CY-6CY, April 2014 & May 2015, Howth & Bulloch Harbour, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 1EM 6CY, March-April 2015, Howth Harbour, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 2AV 6CY, April 15 2014, Howth, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 2CN 6CY, January & April 2014, Howth, Dublin, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 2CR 6CY-7CY, April 2014 & 2015, Howth, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 2EJ 6CY-7CY, March-May 2014 & March-April 2015, Howth, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) 2KE 7CY, April 11 2015, Howth, Ireland. Picture: Graham Prole.
7095jp36.jpg (66909 bytes)Great Black-backed Gull (Larus marinus) adult, April 07 2017, IJmuiden, the Netherlands.
gbbg09704.jpg (81034 bytes)Great Black-backed Gull L. marinus adult, April 19 2002, Le Portel / Boulogne-sur-Mer, France (50.42N,1.34E). The primary moult has not started yet in adult GBBG.