Gulls in NW Europe
(last update: September 25, 2011
Herring Gull (argenteus) Y.ACL adult, August - September 2010 & 2018, Westkapelle & IJmuiden, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed as breeding adult (4+cy) on the nest on June 02 2008 at IJmuiden, the Netherlands.
below: Herring Gull (argenteus) Y.ACL adult, September 18 2018, Westkapelle, the Netherlands.
below: Herring Gull (argenteus) Y.ACL adult, September 21 2010, Westkapelle, the Netherlands.
Adult European Herring Gull, moulting to winter plumage (prebasic moult). The head and neck show extensive dark markings which are typical for this "winter" plumage. P6 / P10.
below: Y.ACL (argenteus) August 08 2010, IJmuiden, the Netherlands.
Adult European Herring Gull, moulting to winter plumage. P1 to P3 are new and fully grown, P4 is almost fully grown, P5 and P6 have been dropped.
Moult score: 21 (P1=5, P2=5, P3=5, P4=4, P5=1, P6=1, P7=0, P8=0, P9=0, P10=0).
