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 (Larus marinus) J7MZ November 2007 & September 2013 & 2017, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

CR-Code Dark blue ring with white code: J7MZ LBBW(J7MZ);RBM
Ringing Centre Stavanger Museum (Norway) Ring number 363045
Species Great Black-backed Gull  Larus marinus
Sex Unknown Age Pullus

History:
30.06 2007 - Ryvingen, Karmøy, Rogaland, Norway 59°16'45"N 005°09'05"E 
24.11 2007 - Boulogne-sur-Mer, Pas-de-Calais, France 
27.11 2007 - Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 
17.12 2007 - Boulogne-sur-Mer, Pas-de-Calais, France 
29.12 2007 - Boulogne-sur-Mer, Pas-de-Calais, France 
08.01 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
12.01 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
23.01 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
10.02 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
24.06 2008 - Le Portel beach, Pas-de-Calais, France 
29.06 2008 - Le Portel beach, Pas-de-Calais, France 
22.07 2008 - Le Portel beach, Pas-de-Calais, France 
18.09 2008 - Le Portel beach, Pas-de-Calais, France 
17.10 2008 - Le Portel beach, Pas-de-Calais, France 
03.11 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
30.11 2008 - Boulogne-sur-Mer, Pas-de-Calais, France 
09.06 2009 - Le Portel beach, Pas-de-Calais, France 
07.08 2009 - Le Portel beach, Pas-de-Calais, France 
12.08 2009 - Le Portel beach, Pas-de-Calais, France
09.09 2009 - Le Portel beach, Pas-de-Calais, France 
11.11 2009 - Le Portel beach, Pas-de-Calais, France 
11.07 2010 - Le Portel beach, Pas-de-Calais, France 
21.07 2010 - Le Portel beach, Pas-de-Calais, France 
13.08 2010 - Le Portel beach, Pas-de-Calais, France 
26.08 2010 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 
07.11 2010 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 
20.11 2010 - Le Portel beach, Pas-de-Calais, France 
21.11 2010 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 
21.01 2011 - Le Portel Beach, Pas-de-Calais, France 
31.01 2011 - Le Portel beach, Pas-de-Calais, France 
13.06 2011 - Stavasanden, Karmøy, Rogaland, Norway 59°13'57"N 005°11'03"E 
20.07 2011 - Equihen-Plage, Pas-de-Calais, France 
22.07 2011 - Le Portel beach, Pas-de-Calais, France 
23.07 2011 - Le Portel beach, Pas-de-Calais, France 
07.08 2011 - Le Portel beach, Pas-de-Calais, France 
22.08 2011 - Le Portel beach, Pas-de-Calais, France 
30.10 2011 - Le Portel beach, Pas-de-Calais, France 
08.11 2011 - Le Portel beach, Pas-de-Calais, France 
13.12 2011 - Bassin de la Liane, Outreau, Pas-de-Calais, France 
16.08 2012 - port de Boulogne, Boulogne-sur-Mer harbour, Pas-de-Calais, France 
17.11 2012 - Le Portel beach, Pas-de-Calais, France
02.03 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 
21.08 2013 - Le Portel beach, Pas-de-Calais, France 
25.08 2013 - Le Portel beach, Pas-de-Calais, France 
04.09 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France
04;08/09/2013 - Boulogne-sur-Mer
08;21/09/2013 - Le Portel
09/10/2013 - Le Portel
11/10/2013 - Boulogne-sur-Mer
11;12/10/2013 - Le Portel
24/10/2013 - Le Portel
22/11/2013 - Boulogne-sur-Mer
11/01/2014 - Boulogne-sur-Mer
12/04/2014 - Tjøsvollsvatnet, Karmøy, Rogaland, Norway - 59°15'50"N 005°11'58"E
02/08/2014 - Boulogne-sur-mer
10/08/2014 - Le Portel
28/08/2014 - Boulogne-sur-Mer
26/09/2014 - Boulogne-sur-Mer
17/10/2014 - Boulogne-sur-Mer
15/11/2014 - Le Portel
30/11/2014 - Boulogne-sur-Mer
09/01/2015 - Boulogne-sur-Mer
17;30/08/2015 - Le Portel
11/09/2015 - Boulogne-sur-Mer
20;27/09/2015 - Le Portel
19;26/10/2015 - Boulogne-sur-Mer
15/12/2015 - Boulogne-sur-Mer
06/01/2016 - Boulogne-sur-Mer
29/08/2016 - Boulogne-sur-Mer
14/09/2016 - Le Portel
27/09/2016 - Boulogne-sur-Mer
30/09/2016 - Le Portel
13;15/10/2016 - Boulogne-sur-Mer
22.10 2016 - Le Portel
03;04/11/2016 - Boulogne-sur-Mer
25/11/2016 - Outreau "bassin de la liane", Pas-de-Calais, France - 50°42'23"N 001°36'33"E
29/11/2016 - Le Portel
21/01/2017 - Le Portel
15/07/2017 - Le Portel
28;29/07/2017 - Boulogne-sur-Mer
10/08/2017 - Boulogne-sur-Mer
31/08/2017 - Le Portel
01/09/2017 - Boulogne-sur-Mer
11/09/2017 - Boulogne-sur-Mer

below: Great Black-backed Gull (Larus marinus) J7MZ 11CY, September 11 2017, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

P6/P9.

below marinus J7MZ 7cy: September 04 2013, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

P8-P10 still old.

below marinus J7MZ 1cy: November 24 2007, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Upper scapulars replaced for 2nd gen feathers, wing-coverts and tertials still juvenile.