Year of most recent IBA criteria assessment: 2001
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
African Penguin Spheniscus demersus | EN | resident | - | 1,000-3,000 breeding pairs | A1, A4ii |
African Penguin Spheniscus demersus | EN | non-breeding | - | 4,000-10,000 individuals | A1, A4ii |
Cape Gannet Morus capensis | EN | resident | - | 1,300 breeding pairs | A1, A4ii |
Cape Gannet Morus capensis | EN | non-breeding | - | 10,000 individuals | A1, A4ii |
Bank Cormorant Phalacrocorax neglectus | EN | resident | - | 679 breeding pairs | A1, A4i |
Bank Cormorant Phalacrocorax neglectus | EN | non-breeding | - | 2,000 individuals | A1, A4i |
African Oystercatcher Haematopus moquini | LC | non-breeding | - | present | A1 |
A4iii Species group - seabirds | n/a | non-breeding | - | 10,000-19,999 individuals | A4iii |
A4iii Species group - seabirds | n/a | resident | - | 10,000 individuals | A4iii |
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
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Namibian Islands Marine Protected Area | Marine Protected Area | 949,700 | protected area contains site | 0 |
Namibia Islands | Marine Protected Area | 955,525 | protected area contains site | 3 |
Land-use | Extent (% of site) |
---|---|
nature conservation and research | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Mercury Island. Downloaded from
http://www.birdlife.org on 10/08/2022.