What is Lesser black-backed gull?
{{Taxobox | name = Lesser black-backed gull | status = LC|status_system = IUCN3.1 | image = Larus-fuscus-taxbox.jpg | image_width = 240px | image_caption = ''Larus fuscus graellsii''; [[England]] | regnum = [[Animal]]ia | phylum = [[Chordate|Chordata]] | classis = [[bird|Aves]] | ordo = [[Charadriiformes]] | familia = [[gull|Laridae]] | genus = ''[[Larus]]'' | binomial = ''Larus fuscus'' | binomial_authority = [[Carl Linnaeus|Linnaeus]], 1758}} [[File:Silltrut-Larus fuscus-1cy-Ystad-2009.jpg|thumb|250px|Juvenil Lesser black-backed gull]] The '''lesser black-backed gull''' (''Larus fuscus'') is a large [[gull]] that breeds on the [[Atlantic Ocean|Atlantic]] coasts of [[Europe]]. It is [[migration|migratory]], wintering from the [[British Isles]] south to West [[Africa]]. It is a regular winter visitor to the east coast of [[North America]], probably from the breeding population in [[Iceland]]. This species breeds in colonies on coasts and lakes. It makes a lined nest on the ground or a cliff. Normally, three eggs are laid. In some cities the species nests in towns and cities, often with [[Herring Gull|herring gulls]].<ref>[http://www.thisbrighton.co.uk/culture-wildlife4.htm The urban gull – a new phenomenon] {{Webarchive|url=https://web.archive.org/web/20090402111909/http://www.thisbrighton.co.uk/culture-wildlife4.htm |date=2009-04-02 }} (retrieved 15 September 2009)</ref> They are similar in size but slightly smaller than the herring gull. The taxonomy of the herring gull / lesser black-backed gull group is very complicated. Different authorities recognise between two and eight species. This group has a [[ring species|ring distribution]] around the [[northern hemisphere]]. Differences between [[wikt:adjacent|adjacent]] forms in this ring are fairly small, but by the time the circuit is completed, the end members, herring gull and lesser black-backed gull, are clearly different species. The only species it might be confused with in Europe is the [[great black-backed gull]]. Lesser is a smaller bird, with slimm