The site was identified as internationally important for bird conservation in 2012 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Fork-tailed Storm-petrel Hydrobates furcatus | LC | breeding (1974–2009) | 200,000 birds | A4ii |
Ancient Murrelet Synthliboramphus antiquus | LC | breeding (1974–2009) | 10,000 birds | A4ii |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Koniuji-Atka Island Colony (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/koniuji-atka-island-colony-iba-usa on 23/12/2024.