A blog dedicated to information, photos, videos, and discussions about gull species recorded in the United Kingdom (UK).
A study of two gull colonies in the North of England; Rockcliffe Marsh on the West and Marsden on the East.
Blog about ringing in Croatia, including cannon-netting gulls.
Colour-ringing research on Black-headed Gulls and Common Gulls in The Netherlands.
The blog of the Madrid Gull Team (Juan M. Ruiz, Delfín González, Miguel Juan, Óscar Frías y Javier Marchamalo)
A web site run by Paul Veron giving details of gulls in the Bailiwick of Guernsey in the Channel Islands
A site dedicated to videos of Gulls from Youtube and other sources.
A gallery of gull pictures from Sweden and elsewhere in Europe, including some "Problematic Gulls".
A well-organised selection of gull pictures, mostly taken in the Netherlands, and especially in the province of Zeeland.
A gallery of Yellow-legged Gulls photos, organised by month and age. Text in Spanish.
This website aims to provide birders worldwide with an extensive picture gallery with comments, to serve as an identification reference source for gulls in North-west Europe.
Reference website for European gull taxa, including Heuglin's Gull Larus heuglini and Slender-billed Gull Larus genei.
The site of Ruud Altenburg, showing photos from The Netherlands, Poland and North-west France.
A French site, written in English, dedicated to Mediterannean Gulls Larus melanocephalus, particularly the reading of colour rings.
An Icelandic colour ringing project on Lesser Black-backed Gulls
Although the author is based in the United States, this site includes photos from around the world and includes an interesting series of "mystery gulls".