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 on the north, north-east, and south-east coasts.
This is an internationally important seabird colony with c.50,000 pairs of breeding seabird, including Rissa tridactyla (4,600 pairs) and Uria aalge (11,100 individuals).
Pressure/threats to key biodiversity
The brown rat Rattus norvegicus, which is present on the island, poses a threat to seabird colonies.