Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Great Black-backed Gull (Larus marinus) JT370 1cy, November 19 2013 & January 02 2014 (R.I.P.), Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on June 20 2013 at Havren Indre, Mandal, Vest-Agder, Norway (57°59'25"N 007°26'28"E).

History:
20.06 2013 - Havren Indre, Mandal, Vest-Agder, Norway 57°59'25"N 007°26'28"E
11.11 2013 - Boulogne -sur-Mer, Pas-de-Calais, France 50°43'27"N 001°35'59"E Algera, S
19.11 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'34"N 001°35'04"E Sauvage, JM
03.12 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France 50°43'20"N 001°34'40"E Petit-Berghem.E
02.01 2014 - Outreau "bassin de la liane", Pas-de-Calais, France 50°43'34"N 001°35'04"E Sauvage.JM
Dead, less than 10 days. Outreau 02.01.2014

below: Great Black-backed Gull (Larus marinus) JT370 1cy, November 19 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

US=75-99%, LS=0%, TOT SCAPS=25-50%. Coverts and tertials juvenile. Still alive and cicking here.

below: Great Black-backed Gull (Larus marinus) JT370 1cy, November 17 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

US=75-99%, LS=0%, TOT SCAPS=25-50%. Coverts and tertials juvenile. Still alive and cicking here.

below: Great Black-backed Gull (Larus marinus) JT370 1cy, November 19 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Infection in the throat, was evident when observed in 2013. It seemed JT370 could cope with it, but eventually died.