Data Zone
The site was identified as important in 2007 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 |
|---|---|---|---|---|---|
| Brown Noddy Anous stolidus | LC | breeding | 2005 | 50-380 individuals | B4i |
| Bridled Tern Onychoprion anaethetus | LC | breeding | 2005 | 1,000-2,499 individuals | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2007 | unfavourable | high | medium |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | habitat | medium | |
| State (condition of the trigger species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Shrubland | moderate (70-90%) | moderate (70-90%) | unfavourable |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Invasive and other problematic species and genes | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
| Pollution | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Human intrusions and disturbance | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other 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90%) covered by appropriate conservation designation | A management plan exists but it is out of date or not comprehensive | Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity | medium |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1987 | Cayos Siete Hermanos | Bird Sanctuary | 100 |
| 2004 | Cayos Siete Hermanos | Refugio De Vida Silvestre | 12 |
| 2004 | Cayos Siete Hermanos | Wildlife Sanctuary | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Marine Neritic | major (>10) | |
| Forest | Mangrove | - |
| Shrubland | - |
| Land use | % of IBA |
|---|---|
| nature conservation and research | 100 |
| hunting | - |
| not utilised | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Siete Hermanos Keys (Dominican Republic). Downloaded from
https://datazone.birdlife.org/site/factsheet/siete-hermanos-keys-iba-dominican-republic on 23/11/2024.