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)

Great Black-backed Gull (Larus marinus) SK3T adult: December 10-19 2012, Boulogne sur Mer, France. Picture Jean-Michel Sauvage.

Bird ringed on 14 January 2012 at Pitsea Landfill Site, Essex, UK.

History:
10 Dec 2012 Boulogne-sur-Mer (Harbour), Pas-de-Calais, FRANCE
19 Dec 2012 Boulogne-sur-Mer (Harbour), Pas-de-Calais, FRANCE

P8 fully grown, P9 growing. P10 missing/growing.

above: 19 December 2012
below: 10 December 2012