Barren Islands Colonies


IBA Justification

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) 150,000 birds A4i
Pelagic Cormorant Urile pelagicus LC breeding (1974–2009) 1,280 birds A4i
Black-legged Kittiwake Rissa tridactyla VU breeding (1974–2009) 46,300 birds A4i
Glaucous-winged Gull Larus glaucescens LC breeding (1974–2009) 7,040 birds A4i
Tufted Puffin Fratercula cirrhata LC breeding (1974–2009) 134,800 birds A4ii

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1980 Alaska Maritime National Wildlife Refuge (IV) 7


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Barren Islands Colonies (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/barren-islands-colonies-iba-usa on 23/12/2024.