Lambert Channel/Hornby Island Waters

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
Harlequin Duck Histrionicus histrionicus LC passage 1998 2,500 individuals A4i
Glaucous-winged Gull Larus glaucescens LC passage 1990 39,000 individuals A4i
A4iii Species group - waterbirds n/a passage 1990 20,000-49,999 individuals 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)
Tribune Bay Park A - Park 95 protected area contained by site 94
Mount Geoffrey Escarpment Park A - Park 187 protected area overlaps with site 0
Jaji7Em And Kw Ulh Marine Park (A.K.A. Sandy Island Marine Park) A - Park 30 protected area contained by site 38
Helliwell Park A - Park 2,813 protected area contained by site 2,800
Fillongley Park A - Park 26 protected area overlaps with site 3
Boyle Point Protected Area Protected Area 9 protected area overlaps with site 0
Boyle Point Park A - Park 188 protected area is adjacent to site 38


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Temperate coniferous -
Marine Intertidal -
Marine Neritic -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
tourism/recreation -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lambert Channel/Hornby Island Waters. Downloaded from on 05/12/2023.