• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

Site description (2007 baseline):

A low-lying, flat-topped basalt island situated about 18 km west of the mainland Dyfed coast. Vegetation is limited by exposure to wind, salt spray and the large numbers of seabirds. The site is important for its seabird colonies, including a very large gannetry.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Grassholm (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/grassholm-iba-united-kingdom on 23/11/2024.