Data Zone
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) | 111,212 birds | A4i |
| Leach's Storm-petrel Hydrobates leucorhous | VU | breeding (1974–2009) | 576,588 birds | A4ii |
| Rhinoceros Auklet Cerorhinca monocerata | LC | breeding (1974–2009) | 108,030 birds | A4ii |
| Cassin's Auklet Ptychoramphus aleuticus | NT | breeding (1974–2009) | 67,740 birds | A4ii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1960 | Forrester Island | Refuge (V) | 19 |
| 1970 | Forrester Island | Wilderness (Ib) | 2 |
| 1980 | Alaska Maritime | National Wildlife Refuge (IV) | 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 22/12/2024.