Indian Ocean, Western 1 - Marine

IBA Criteria

Year of most recent IBA criteria assessment: 2012

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Wandering Albatross Diomedea exulans VU post-guard 1997 555-584 individuals A1, A4ii
Wandering Albatross Diomedea exulans VU juvenile (non-breeding) 2001 599-899 individuals A1, A4ii
Amsterdam Albatross Diomedea amsterdamensis EN non-breeding - 23-26 individuals A1, A4ii
Sooty Albatross Phoebetria fusca EN incubation - 540-900 individuals A1, A4ii
Sooty Albatross Phoebetria fusca EN non-breeding - 563-2,700 individuals A1, A4ii
Indian Yellow-nosed Albatross Thalassarche carteri EN post-guard 2011 981-1,570 individuals A1, 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)
2013 high not assessed not assessed
Was the whole site covered? Yes State assessed by unset
Accuracy of information unknown

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now whole area/population (>90%) slow but significant deterioration high

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


IUCN Habitat Habitat detail Extent (% of site)
Marine Neritic -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Indian Ocean, Western 1 - Marine. Downloaded from on 04/02/2023.