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
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gbbg 1cy August
gbbg 1cy September
gbbg 1cy October
gbbg 1cy November
gbbg 1cy December

gbbg 2cy January
gbbg 2cy February
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gbbg 2cy July
gbbg 2cy August
gbbg 2cy September
gbbg 2cy October
gbbg 2cy November
gbbg 2cy December

gbbg 3cy January
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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
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Great Black-backed Gull (Larus marinus) JE456 3cy, October 29 2011, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Probably ringed as pullus late June 2009, at Vest-Agder, Norway. 3cy bird with small mirror on P10 and small spots on primary tips.