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) JT933 1cy, November 22 2013, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on July 05 2013 at OKSØY N, Kristiansand, Vest-Agder, Norway (58°04'35"N 008°03'10"E). Travelling distance 918 Km.

History:
05.07 2013 - OKSØY N, Kristiansand, Vest-Agder, Norway 58°04'35"N 008°03'10"E.
22.11 2013 - Boulogne-sur-Mer harbour, Pas-de-Calais, France.

US=100%, LS=75-99%, TOT SCAPS=75-99%. Coverts and tertials juvenile.