An island with rugged coasts, steep cliffs, boulder-screes, and grass slopes. Land-uses include sheep-grazing. The site comprises the seabird colonies that almost surround the island.
Koltur holds internationally important seabird colonies, with c.30,000 pairs of breeding seabird.
BirdLife International (2020) Important Bird Areas factsheet: Koltur. Downloaded from http://www.birdlife.org on 19/02/2020.