Data Zone
The site was identified as important in 2008 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 |
|---|---|---|---|---|---|
| Great Frigatebird Fregata minor | LC | breeding | 1990 | 4,500 individuals | A4ii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2012) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2012 | not assessed | medium | low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | population | medium | |
| State (condition of the trigger species' populations) | |||||
|---|---|---|---|---|---|
| Species | Reference | Actual | Units | % remaining | Result |
| Great Frigatebird Fregata minor | 4,500 | 4,500 | individuals | 100 | not assessed |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Climate change and severe weather | likely in long term (beyond 4 years) | whole area/population (>90%) | slow but significant deterioration | medium |
| Invasive and other problematic species and genes | happening now | whole area/population (>90%) | no or imperceptible deterioration | low |
| Biological resource use | happening now | some of area/population (10-49%) | 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 | No management planning has taken place | Very little or no conservation action taking place | low |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1979 | Vostock Island | Wildlife Sanctuary | 100 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Vostok Island (Kiribati). Downloaded from
https://datazone.birdlife.org/site/factsheet/vostok-island-iba-kiribati on 23/11/2024.