Data Zone
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') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Cape Verde Shearwater Calonectris edwardsii | NT | breeding | 2020-2021 | 44 mature individuals | B1a |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2022) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2022. The most recent assessment (2022) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2022 | favourable | very high | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | population | good | |
| State (condition of the trigger species' populations) | |||||
|---|---|---|---|---|---|
| Species | Reference | Actual | Units | % remaining | Result |
| Red-billed Tropicbird Phaethon aethereus | 13 | 13 | mature individuals | 100 | favourable |
| Cape Verde Storm-petrel Hydrobates jabejabe | 338 | 338 | mature individuals | 100 | favourable |
| Cape Verde Shearwater Calonectris edwardsii | 47 | 47 | mature individuals | 100 | favourable |
| Audubon's Shearwater Puffinus lherminieri | 27 | 27 | mature individuals | 100 | favourable |
| Bulwer's Petrel Bulweria bulwerii | 206 | 206 | mature individuals | 100 | favourable |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Residential and commercial development | happening now | whole area/population (>90%) | very rapid to severe deterioration | very high |
| Biological resource use | happening now | whole area/population (>90%) | very rapid to severe deterioration | very high |
| Pollution | happening now | majority/most of area/population (50-90%) | slow but significant deterioration | high |
| Invasive and other problematic species and genes | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rabo de Junco Islet Natural Reserve Reserva (Cape Verde). Downloaded from
https://datazone.birdlife.org/site/factsheet/rabo-de-junco-islet-natural-reserve-reserva-iba-cape-verde on 23/11/2024.