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 IBA criteria.
Populations meeting IBA criteria ('key 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) | 150,000 individuals | A4i |
| Pelagic Cormorant Urile pelagicus | LC | breeding (1974–2009) | 1,280 individuals | A4i |
| Black-legged Kittiwake Rissa tridactyla | VU | breeding (1974–2009) | 46,300 individuals | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | breeding (1974–2009) | 7,040 individuals | A4i |
| Tufted Puffin Fratercula cirrhata | LC | breeding (1974–2009) | 134,800 individuals | A4ii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1980 | Alaska Maritime | National Wildlife Refuge (IV) | 7 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Barren Islands Colonies (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/barren-islands-colonies-iba-usa on 15/01/2025.