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Western Rocks, Isles of Scilly
The Western Rocks are a group of uninhabited islands and rocks in the south–western part of the Isles of Scilly, United Kingdom, and are renowned for the numerous shipwrecks in the area and the nearby Bishop Rock lighthouse. In 1971, the rocks and islands were designated a Site of Special Scientific Interest for their breeding sea birds. Landing on the islands is both difficult and discouraged and there are few published records of visits by naturalists.〔
==Nature reserve==
The islands are largely managed as nature reserves by the Isles of Scilly Wildlife Trust, principally for breeding seabirds and grey seals (''Halichoerus grypus''). There are eleven species of breeding seabirds with the European shag (''Phalacrocorax aristotelis'') and European storm petrel (''Hydrobates pelagicus'') of national importance. The other species are kittiwake (''Rissa tridactyla''), razorbill (''Alca torda''), guillemot (''Uria aalge''), cormorant (''Phalacrocorax carbo''), fulmar (''Fulmarus glacialis''), puffin (''Fratercula arctica''), great black–backed gull (''Larus marinus''), lesser black–backed gull (''Larus fuscus'') and herring gull (''Larus argentatus'').
The only breeding sites for European storm petrel in England are on the Isles of Scilly with eleven colonies and an estimated 1475 occupied sites (i.e. breeding pairs). Melledgan did have the third largest colony on Scilly with 140 occupied sites recorded during the Seabird 2000 survey declining to 69 occupied sites in a repeat survey in 2006. It was replaced by Roseveor in 2006 with 129 breeding pairs. Other Western Rock colonies are on Gorregan and Rosevean.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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