Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Fork-tailed Storm-petrel Hydrobates furcatus | LC | breeding | 1974-2009 | 200,000 individuals | A4ii |
| Ancient Murrelet Synthliboramphus antiquus | LC | breeding | 1974-2009 | 10,000 individuals | A4ii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
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 22/11/2024.