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) R745 1CY, November 07 2014, Boulogne-sur-Mer, France. Picture Jean-Michel Sauvage.

Ringed as pullus on July 02 2014 at TURMANSÖREN, HÅLLNÄS, UPPLAND, SWEDEN (60º 37´N 17º 58´E). Distance: 1496 km.

Observed on September 27 2014, and November 06-07 2014 at Boulogne-sur-Mer.

Single feathers replaced in scapulars, otherwise juvenile plumage.