IBA Criteria met: A4ii, A4iii, B1ii, B2, C2, C4, C6 (2009)
For more information about IBA criteria please click here
Area: 165 ha
A small, steep-sided, inaccessible rocky island (rising to 100 m) and surrounding waters, located just off the cliff-dominated north coast of County Mayo, 19 km west of Ballycastle.
This is an important site for breeding seabirds; additional species include Fulmarus glacialis (10 pairs), Puffinus puffinus (10-100 pairs), Phalacrocorax aristotelis (>10 pairs) and Cepphus grylle (5 pairs).
BirdLife International (2023) Important Bird Areas factsheet: Illaunmaistir (Oilean Maistir). Downloaded from http://www.birdlife.org on 28/03/2023.