An island with rugged coast, steep cliffs, boulder-screes, and grass slopes. Land-uses include sheep-grazing. The site comprises the seabird colonies along the northern and eastern sides of the island.
This is an internationally important seabird colony with over 50,000 pairs of breeding seabird, including Rissa tridactyla (5,300 pairs) and Uria aalge (6,700 individuals).
Pressure/threats to key biodiversity
The brown rat Rattus norvegicus, which is present on the island, poses a threat to seabird colonies.