Gulls in NW Europe

(last update: September 25, 2011 )

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argentatus / argenteus

graellsii / intermedius

michahellis

marinus

Herring Gull adult F.AHK (argenteus) May-June 2011, Texel, Kelderhuispolder, Gull colony, the Netherlands. Pictures: Maarten van Kleinwee.

Ringed as breeding adult female (4+cy) on the nest, on May 28 2009, Kelderhuispolder, Texel, The Netherlands.

below: F.AHK (argenteus) June 24 2011, Texel.

Primary moult not started.

below: F.AHK (argenteus) May 07 2011, Texel.

Adult European Herring Gull in summer (alternate) plumage, aggressively protecting her nest during a routine check by researchers.