Macquarie Island

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
King Penguin Aptenodytes patagonicus LC resident 2000 150,000-170,000 breeding pairs A4ii
Gentoo Penguin Pygoscelis papua LC breeding 1984-2002 3,800-6,800 breeding pairs A1, A4ii
Royal Penguin Eudyptes schlegeli LC resident 1984-1985 850,000 breeding pairs A1, A4ii
Southern Rockhopper Penguin Eudyptes chrysocome VU resident - 100,000 breeding pairs A1, A4ii
Wandering Albatross Diomedea exulans VU resident - 10 breeding pairs A1
Light-mantled Albatross Phoebetria palpebrata NT resident 2000-2002 1,500-1,800 breeding pairs A1, A4ii
Grey-headed Albatross Thalassarche chrysostoma EN resident - 100-120 breeding pairs A1
Black-browed Albatross Thalassarche melanophris LC resident 1993-1999 46-141 breeding pairs A1
Southern Giant Petrel Macronectes giganteus LC resident 2000-2002 2,300 breeding pairs A4ii
White-headed Petrel Pterodroma lessonii LC resident 1984-2006 7,850-9,000 breeding pairs A4ii
Brown Skua Catharacta antarctica LC resident 1974-1984 204-285 breeding pairs A4ii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2020 not assessed not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) no or imperceptible deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species past (and unlikely to return) and no longer limiting whole area/population (>90%) very rapid to severe deterioration low
Residential and commercial development commercial and industrial development likely in long term (beyond 4 years) small area/few individuals (<10%) slow but significant deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Macquarie Island (Terrestrial component) Nature Reserve 13,182 protected area contains site 12,785
Macquarie Island Nature Reserve 86,139 protected area overlaps with site 0
Macquarie Island Nature Reserve 86,139 protected area overlaps with site 0
Macquarie Island World Heritage Site (natural or mixed) 540,000 protected area contains site 12,785


IUCN Habitat Habitat detail Extent (% of site)
Coastline Sea cliffs, rocky shores & rocky islets -
Grassland Tundra & subantarctic grasslands, Tussock grasslands -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.

Land ownership
Tasmanian Government with management the responsibility of Tasmanian Parks & Wildlife Service.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Macquarie Island. Downloaded from on 17/08/2022.