Gulls in NW Europe
(last update: September 25, 2011
Herring Gull adult MABB (argenteus) August-September 2011, Leiden, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed as breeding adult (4+cy) on the nest, on May 16 2007, Kelderhuispolder, Texel, The Netherlands.
below: 8+cy MABB (argenteus) September 17 2011, Leiden, the Netherlands.
Adult European Herring Gull, moulting to winter (basic) plumage: P1 to P5 are new and fully grown, P6 is almost fully grown, P7 is just growing, P8 has been dropped. The head shows darker winter streaking than 2 weeks ago.
PMS = 31 (P1=5, P2=5, P3=5, P4=5, P5=5, P6=4, P7=1, P8=1, P9=0, P10=0).
below: 8+cy MABB (argenteus) September 03 2011, Leiden, the Netherlands.
Adult European Herring Gull, moulting to winter (basic) plumage; limited winter streaking.
below: 8+cy MABB (argenteus) August 13 2011, Leiden, the Netherlands.
Adult European Herring Gull, moulting to winter (basic) plumage. This individual is from the gull colony on the isle of Texel in the north of Holland; ringed gulls from this colony are rarely seen in the city of Leiden.
