Southwest Cape 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
Pelagic Cormorant Urile pelagicus LC breeding (1974–2009) 2,418 birds A4i
Black-legged Kittiwake Rissa tridactyla VU breeding (1974–2009) 24,940 birds A4i
Least Auklet Aethia pusilla LC breeding (1974–2009) 399,335 birds A4ii
Crested Auklet Aethia cristatella LC breeding (1974–2009) 924,289 birds A4ii


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Southwest Cape Colonies (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/southwest-cape-colonies-iba-usa on 23/12/2024.