Gull Research Organisation

Great Black-backed Gull (Larus marinus) (last update: October 12, 2011)
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 2cy February Under construction	*Great Black-backed Gull RUM ES008270 (Larus marinus) 2cy:* February 01 2011, Scheveningen, the Netherlands. Bird from Russia.
		*Great Black-backed Gull J42A (Larus marinus) 2cy:* February 04 2003, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull JE1L (Larus marinus) 2cy:* February 18 2004, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull JK37 (Larus marinus) 2cy:* February 22 2007, Boulogne/Mer, France. Picture: J-M Sauvage.
		*Great Black-backed Gull J535W (Larus marinus) 2cy:* February 02 2012, IJmuiden, the Netherlands (52.27N,04.33E).
		*Great Black-backed Gull J779W (Larus marinus) 2cy:* February 22 2012, Scheveningen, the Netherlands.
		*Great Black-backed Gull JA176 (Larus marinus) 2cy:* February 14 2009, IJmuiden, the Netherlands (52.27N,04.33E). Picture: M v Kleinwee.
		*Great Black-backed Gull JA911 (Larus marinus) 2cy:* February 27 2009, Fraserburgh, Scotland. Bird from northernmost Scandinavia.
		*Great Black-backed Gull H30 (Larus marinus) 2cy:* February 27 2009, Fraserburgh, Scotland. Local bird.
		*Great Black-backed Gull 90A (Larus marinus) 2cy:* February 28 2007, Boulogne/Mer, France. Picture: J-M Sauvage. Ringed in France.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy,* January 02 2012, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2007, IJmuiden, the Netherlands.
		*Great Black-backed Gull (Larus marinus) 2cy:* February 2001, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 04 2002, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gulls (Larus marinus) 2cy:* February 04 2002, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 07 2003, Boulogne sur Mer, France (50.42 N - 01.34 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 09 2003, Boulogne sur Mer, France (50.42 N - 01.34 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2004, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2004, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2004, IJmuiden, the Netherlands (52.27 N, 4.33 E).
		*Great Black-backed Gull (Larus marinus) 2cy:* February 18 2004, IJmuiden, the Netherlands (52.27 N, 4.33 E).

Great Black-backed Gull (Larus marinus)

Great Black-backed Gull 2cy February