The site was identified as important in 2022 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):Species | Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
---|---|---|---|---|---|
Cape Verde Shearwater Calonectris edwardsii | NT | breeding | 2006-2019 | 530-616 mature individuals | A4, B1a |
Cape Verde Sparrow Passer iagoensis | LC | resident | 1996 | present | A2 |
The current IUCN Red List category (shown above) may differ from that which was valid at the time of IBA criteria assessment (2022).
IBA conservation assessment | |||
---|---|---|---|
Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
2022 | favourable | high | not assessed |
Was the whole site assessed? | State assessed by | Accuracy of information | |
yes | population | good |
State (condition of the trigger species' populations) | ||||||
---|---|---|---|---|---|---|
Scientific name | Common name | Reference population | Actual population | Units | % of population remaining | Result |
Phaethon aethereus | Red-billed Tropicbird | 4 | 4 | mature individuals | 100 | favourable |
Hydrobates jabejabe | Cape Verde Storm-petrel | 83 | 83 | mature individuals | 100 | favourable |
Calonectris edwardsii | Cape Verde Shearwater | 616 | 616 | mature individuals | 100 | favourable |
Sula leucogaster | Brown Booby | 308 | 308 | mature individuals | 100 | favourable |
Pressure (threats to the trigger species and/or their habitats) | |||||
---|---|---|---|---|---|
Threat level 1 | Threat level 2 | Timing | Scope | Severity | Result |
Biological resource use | hunting & collecting terrestrial animals - motivation unknown/unrecorded | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Human intrusions and disturbance | recreational activities | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Response (conservation actions taken for the trigger species and/or their habitats) | |||
---|---|---|---|
Protected-area designation | Management planning | Other conservation action | Result |
Not assessed | Not assessed | Not assessed | not assessed |
Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
---|---|---|---|---|
Ilheu Curral Velho | Nature Reserve | 50 | protected area contained by site | 50 |
Curral Velho | Ramsar Site, Wetland of International Importance | 0 | protected area overlaps with site | 0 |
Land-use | Extent (% of site) |
---|---|
nature conservation and research | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ilhéu de Curral Velho and adjacent coastal area. Downloaded from
https://datazone.birdlife.org/site/factsheet/ilhéu-de-curral-velho-and-adjacent-coastal-area-iba-cape-verde on 19/03/2024.