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) 28K 2cy, December 01 2012, Calais, France. Picture Jean-Michel Sauvage.

28K been observed 2 times at Calais (quai Paul Devot et quai de la Loire): October 2011 & April 2012.

Ringed as pullus in an urban colony at Saint Martin en Campagne (Seine Maritime - Normandie), ringed on 08 July 2011 (hatched 05 June 2011 - female), ringed by G. Le Guillou.

Moult score: P10 fully grown. Note partial autumn moult in MC, inner GC, inner LLC and upper tertials.