An island with rugged coasts, steep cliffs, boulder-screes, and grass slopes. Land-uses include sheep-grazing. The site comprises the seabird colonies that are mainly on the north-west coast.
Key biodiversity
This is an internationally important seabird colony with c.130,000 pairs of breeding seabirds, including Rissa tridactyla (9,000 pairs) and Uria aalge (16,300 individuals).
Pressure/threats to key biodiversity
The brown rat Rattus norvegicus, which is present on the island, poses a threat to seabird colonies.
