Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull JCG4 10cy (argentatus), November 04 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Bird ringed at Troms, N Norway by Morten Helberg on 14 July 1999. Complete moult at last phase: P8 fully grown.