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 |
|---|---|---|---|---|---|
| Red-faced Cormorant Urile urile | LC | breeding | 1974-2009 | 1,416 individuals | A4i |
| Tufted Puffin Fratercula cirrhata | LC | breeding | 1974-2009 | 25,300 individuals | A4ii |
| Horned Puffin Fratercula corniculata | LC | breeding | 1974-2009 | 23,800 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: Ugaiushak Island Colonies (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/ugaiushak-island-colonies-iba-usa on 22/11/2024.