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) G7AT adult, January 03 2018, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage.

Ringed as adult on October 10 2015 at Pitsea Landfill Site, Essex, UK.

Observations:
26/12/2016 - Cap Gris-Nez, Pas-de-Calais, FRANCE JMS
03/01/2018 - Boulogne-sur-mer,Pas-de-Calais,FR JMS