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) adult, June 12 2012, Boulogne sur Mer, France (50.43 N - 01.35 E). Picture Jean-Michel Sauvage.

Therre is a recent net increase in the number of Great Black-backed Gulls in Boulogne-sur-Mer and its direct environments in the breeding season.
One pair raised 2 youngs on the roof of a plant "Crown Outreau".
One pair with two youngs on the roof of a factory in the port of Boulogne-sur-Mer (only discovered this year).
Another pair seen on the nest on the roof of a factory in the port of Boulogne-sur-Mer (only discovered this year).

One bird, ringed on the island of Burhou now has a nest in Boulogne-sur-Mer (which is rare for a bird from Jersey).

Moult score: P3-P10 old.