Englefield Bay Islands

IBA Justification

The site was identified as important in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Fork-tailed Storm-petrel Hydrobates furcatus LC breeding 1986 24,275 breeding pairs A4ii
Rhinoceros Auklet Cerorhinca monocerata LC breeding 1986 19,670 breeding pairs A4ii
Cassin's Auklet Ptychoramphus aleuticus NT breeding 1986 15,870 breeding pairs A4ii
Ancient Murrelet Synthliboramphus antiquus LC breeding 1986 18,670 breeding pairs A4ii
A4iii Species group - seabirds n/a breeding - 100,000-499,999 breeding pairs A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2008).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Daawuuxusda Conservancy Conservancy 116,284 protected area overlaps with site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Temperate coniferous -
Shrubland Scrub -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
not utilised -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Englefield Bay Islands. Downloaded from on 28/11/2023.