ZA079
Bird Island


IBA Criteria

Year of most recent IBA criteria assessment: 1998

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
African Penguin Spheniscus demersus EN resident - 5 breeding pairs A1
Cape Gannet Morus capensis EN resident - 4,000-6,000 breeding pairs A1, A4ii
Cape Gannet Morus capensis EN non-breeding - 8,000-15,000 individuals A1, A4ii
Crowned Cormorant Microcarbo coronatus LC resident - 5-10 breeding pairs A1
Crowned Cormorant Microcarbo coronatus LC non-breeding - 100-170 individuals A1, A4i
A4iii Species group - seabirds n/a resident - 10,000-19,999 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


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2013 high unfavourable high
Was the whole site covered? Yes State assessed by Habitat
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Biological resource use hunting & collecting terrestrial animals - persecution/control happening now some of area/population (10-49%) slow but significant deterioration medium
Climate change and severe weather storms and floods happening now majority/most of area/population (50-90%) slow but significant deterioration high
Climate change and severe weather temperature extremes likely in long term (beyond 4 years) whole area/population (>90%) slow but significant deterioration medium
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 problematic native species/diseases - unspecified species likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Pollution domestic & urban waste water - sewage happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution excess energy - light pollution happening now whole area/population (>90%) no or imperceptible deterioration low
Pollution excess energy - noise pollution happening now whole area/population (>90%) no or imperceptible deterioration low
Pollution garbage & solid waste happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development commercial and industrial development happening now some of area/population (10-49%) no or imperceptible deterioration low
Residential and commercial development tourism and recreation areas happening now some of area/population (10-49%) no or imperceptible deterioration low
Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) no or imperceptible deterioration low

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Marine Coastal/Supratidal 0 0 moderate (70-90%) moderate (70-90%) unfavourable

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Spheniscus demersus African Penguin 500 0 individuals 0 very unfavourable
Morus capensis Cape Gannet 18000 18000 individuals 100 favourable
Microcarbo coronatus Crowned Cormorant 170 25 individuals 15 very unfavourable
Haematopus moquini African Oystercatcher 8 2 individuals 25 very unfavourable
Larus dominicanus Kelp Gull 500 80 individuals 16 very unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive The conservation measures needed for the site are being comprehensively and effectively implemented high
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Lambert's Bay Penguin Island Provincial Nature Reserve Nature Reserve 7 protected area overlaps with site 0
Bird Island Other Area 4 protected area contains site 3

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Sea Sea cliffs & rocky shores -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Bird Island. Downloaded from http://www.birdlife.org on 04/10/2022.