Gull Research Organisation

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) gbbg rings gbbg PDF's gbbg 1cy August gbbg 1cy September gbbg 1cy October gbbg 1cy November gbbg 1cy December gbbg 2cy January gbbg 2cy February gbbg 2cy March gbbg 2cy April gbbg 2cy May gbbg 2cy June gbbg 2cy July gbbg 2cy August gbbg 2cy September gbbg 2cy October gbbg 2cy November gbbg 2cy December gbbg 3cy January gbbg 3cy February gbbg 3cy March gbbg 3cy April gbbg 3cy May gbbg 3cy June gbbg 3cy July gbbg 3cy August gbbg 3cy September gbbg 3cy October gbbg 3cy November gbbg 3cy December gbbg sub-ad January gbbg sub-ad February gbbg sub-ad March gbbg sub-ad April gbbg sub-ad May gbbg sub-ad June gbbg sub-ad July gbbg sub-ad August gbbg sub-ad September gbbg sub-ad October gbbg sub-ad November gbbg sub-ad December gbbg ad January gbbg ad February gbbg ad March gbbg ad April gbbg ad May gbbg ad June gbbg ad July gbbg ad August gbbg ad September gbbg ad October gbbg ad November gbbg ad December	Great Black-backed Gull adult March	*Great Black-backed Gull (Larus marinus) SVS 9159239 5cy-9cy, March 2012-April 2016, Boulogne-sur-Mer, France. Picture Jean-Michel Sauvage.*
		*Great Black-backed Gull (Larus marinus) J658W 2CY-5CY, January 2012, January 2013 & February-March 2015, November 2015, IJmuiden, the Netherlands.*
		*Great Black-backed Gull (Larus marinus) 1AM 5CY-6CY, June 2014 & March 2015, Howth, Dublin, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 1EM 6CY, March-April 2015, Howth Harbour, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 1JH 5CY, March 14 2015, Howth, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 1JK 1CY, 4CY & 5CY, November 2011, June 2014 & March 2015, near Dublin, Ireland. Picture: Stephen Lawlor & Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 2AM 6CY-7CY, March 2014 & May 2015, Howth, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 2EJ 6CY-7CY, March-May 2014 & March-April 2015, Howth, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) 2KL 7CY, March 07 2015, Howth, Ireland. Picture: Graham Prole.*
		*Great Black-backed Gull (Larus marinus) adult, March 02 2017, IJmuiden, the Netherlands.*
		*Great Black-backed Gull (Larus marinus) adult, March 08 2016, Scheveningen, the Netherlands.*
		*Great Black-backed Gull (Larus marinus) adult, March 08 2016, Scheveningen, the Netherlands.*
		*Great Black-backed Gull (Larus marinus) adult, March 06 2016, IJmuiden, the Netherlands.*
		*Great Black-backed Gull (Larus marinus) adult, March 02 2015, IJmuiden, the Netherlands.*

Great Black-backed Gull (Larus marinus)

Great Black-backed Gull adult March