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.
Hestur holds internationally important seabird colonies, with over 70,000 pairs of breeding seabird, including Rissa tridactyla (26,100 pairs) and Uria aalge (2,300 individuals).
BirdLife International (2019) Important Bird Areas factsheet: Hestur. Downloaded from http://www.birdlife.org on 23/07/2019.