Mack Reef


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
Leach's Storm-petrel Hydrobates leucorhous VU breeding (1988) max 186,650 birds A4ii

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1935 Oregon Islands National Wildlife Refuge (IV) 6
1970 Oregon Island Wilderness (Ib) 100


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mack Reef (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/mack-reef-iba-usa on 22/12/2024.