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 | 111,212 individuals | A4i |
| Leach's Storm-petrel Hydrobates leucorhous | VU | breeding | 1974-2009 | 576,588 individuals | A4ii |
| Rhinoceros Auklet Cerorhinca monocerata | LC | breeding | 1974-2009 | 108,030 individuals | A4ii |
| Cassin's Auklet Ptychoramphus aleuticus | NT | breeding | 1974-2009 | 67,740 individuals | A4ii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1960 | Forrester Island | Refuge | 19 |
| 1970 | Forrester Island | Wilderness | 2 |
| 1980 | Alaska Maritime | National Wildlife Refuge | 2 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Forrester Island Colonies (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/forrester-island-colonies-iba-usa on 22/11/2024.