Koniuji-Atka Island Colony


IBA Justification

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.