Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) NOS 360820 November 25 2006 & September 11 2011, Boulogne-sur-Mer, N France.

A Norwegian bird with some wing-coverts replaced in the partial autumn moult: all visible median coverts, 3 inner greater coverts and some lower lesser coverts.

> Stavanger Museum 360820 was ringed as pullus on June 17th 2005.
> Locality: Ryvingen (59.17N - 05.09E), Rogaland, Norway.
> Species: Larus marinus.
>Reported by: Olav Runde

below: NOS 360820 2cy, November 25 2006, Boulogne-sur-Mer.

Note relatively fresh mc, inner gc and upper tertials, common pattern from the partial autumn moult.

below: NOS 360820 7cy, September 11 2011, Boulogne-sur-Mer.

P5 / P8.