Data Zone
Country/territory: United Kingdom
IBA Criteria met: A4ii, A4iii, B1ii, B2, C3, C4 (2007)
For more information about IBA criteria please click here
Area: 11 ha
| Most recent IBA monitoring assessment | |||
|---|---|---|---|
| Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
| 2007 | high | favourable | high |
| For more information about IBA monitoring please click here | |||
Site description
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 (2023) Important Bird Areas factsheet: Grassholm. Downloaded from
http://www.birdlife.org on 25/03/2023.
