Data Zone
Country/territory: United Kingdom
Subnational region(s): Wales
IBA Justification: A4ii, A4iii, B1ii, B2, C3, C4 (2007)
Area: 11 hectares (0.11 km2)
BirdLife Partner(s): Royal Society for the Protection of Birds
| Conservation status of the Important Bird Area (IBA) | |||
|---|---|---|---|
| Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
| 2007 | favourable | high | high |
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.
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Grassholm (United Kingdom). Downloaded from
https://datazone.birdlife.org/site/factsheet/grassholm-iba-united-kingdom on 13/01/2025.