IBA criteria met: B3 (2009)
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Area: 446 ha
Site description (baseline)
This is a group of five offshore islands with outlying rocks and reefs, 3 km south-west of the Mullet peninsula in County Mayo.
These islands support important numbers of wintering geese and breeding seabirds. Seabirds breeding in numbers of national importance are Phalacrocorax carbo (185 pairs, 1981), Fulmarus glacialis (500 pairs, 1981), Larus canus (20-50 pairs, 1981) and Larus argentatus (300-400 pairs, 1981).
BirdLife International (2023) Important Bird Area factsheet: Duvillaun Islands. Downloaded from http://datazone.birdlife.org/site/factsheet/573 on 08/06/2023.