Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Great Black-backed Gull (Larus marinus) JY283 1cy-2cy & 6cy, October 2012 - September 2017, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on 30 June 2012 at Pikkerholm NØ, Hirsholmene, Frederikshavn, Nordjylland, Denmark (57°29'49"N 010°36'06"E).

History:
30.06 2012 Pikkerholm NØ, Hirsholmene, Frederikshavn, Nordjylland, Denmark 57°29'49"N 010°36'06"E
03.10 2012 Hirtshals Havn, Tværmolen, Nordjylland, Denmark 57°35'42"N 009°57'45"E
29.10 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
31.10 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
21.11 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E
25.12 2012 Outreau"bassin de la liane", Pas-de-Calais, France 50°43'34"N 001°35'04"E
11;12/01/2013 - Boulogne-sur-Mer
12/01/2013 - Boulogne-sur-Mer
04;26/02/2013 - Boulogne-sur-Mer
02/04/2013 - Boulogne-sur-Mer
11/05/2013 - Boulogne-sur-Mer
22/06/2013 - Boulogne-sur-Mer
01;19/07/2013 - Boulogne-sur-Mer
15/08/2013 - Boulogne-sur-Mer
01/09/2013 - Boulogne-sur-Mer
04;09;12/10/2013 - Boulogne-sur-Mer
13;14/11/2013 - Boulogne-sur-Mer
15;16/12/2013 - Boulogne-sur-Mer
03;24/01/2014 - Boulogne-sur-Mer
24/01/2014 - Boulogne-sur-Mer
08;17;22/02/2014 - Boulogne-sur-Mer
11/05/2014 - Boulogne-sur-Mer
02;18/07/2014 - Boulogne-sur-Mer
02;11;26/08/2014 - Boulogne-sur-Mer
29/09/2014 - Boulogne-sur-Mer
27/10/2014 - Boulogne-sur-Mer
02/11/2014 - Boulogne-sur-Mer
29/11/2014 - Wimereux "nord ", Pas-de-Calais, France - 50°47'32"N 001°36'06"E
09;29/03/2015 - Boulogne-sur-Mer
16/07/2015 - Le Portel
14/08/2015 - Boulogne-sur-Mer
22/08/2015 - Le Portel
26/08/2015 - Boulogne-sur-Mer
13;23/09/2015 - Boulogne-sur-mer
06;07;09;25;27/10/2015 - Boulogne-sur-mer
07/12/2015 - Boulogne-sur-mer
08;17/01/2016 - Boulogne-sur-mer
01/03/2016 - Boulogne-sur-mer
17/03/2016 - Kjul Å, Hirtshals, Nordjylland, Denmark - 57°35'21"N 010°00'34"E
27;30/06 2016 - Hirtshals Havn, Østmolen, Nordjylland, Denmark - 57°35'47"N 009°58'19"E
03/07/2016 - Hirtshals Havn
19;23/08/2016 - Boulogne-sur-Mer
02;04;19;29/09/2017 Boulogne-sur-mer
07/10/2016 - Boulogne-sur-Mer
10;22/10/2016 - Le-Portel
10/11/2016 - Boulogne-sur-Mer
07/12/2016 - Wimereux
05/02/2017 - Le Portel
19/08/2017 - Boulogne-sur-Mer
01.09 2017 - Boulogne sur mer
03.09 2017 - Boulogne-sur-Mer
08.09 2017 - Boulogne sur Mer
12.09 2017 - Boulogne sur mer

below: Great Black-backed Gull (Larus marinus) JY283 6CY, September 12 2017, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Probably female. P9-P10 old.

below: Great Black-backed Gull (Larus marinus) JY283 6CY, August 19 2017, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

With stingray. P7-P10 old.

below: JY283 2cy, January 11 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

US: 50-75%, LS: 0%, TOT SCAPS: 1-25%. Coverts and tertials juvenile.

below: JY283 1cy, October 29 2012, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

Ringed as pullus on 30 June 2012 at Pikkerholm NØ, Hirsholmene, Frederikshavn, Nordjylland, Denmark (57°29'49"N 010°36'06"E).

History:
03.10 2012 Hirtshals Havn, Tværmolen, Nordjylland, Denmark 57°35'42"N 009°57'45"E
29.10 2012 Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E

Single scapular replaced. Tertials and coverts juvenile.