Data Zone
The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Micronesian Imperial-pigeon Ducula oceanica | VU | resident (-) | present | A1, A2 |
| Kosrae Fruit-dove Ptilinopus hernsheimi | LC | resident (-) | present | A2 |
| Caroline Swiftlet Aerodramus inquietus | LC | resident (-) | present | A2 |
| Micronesian Myzomela Myzomela rubratra | LC | resident (-) | present | A2 |
| Kosrae White-eye Zosterops cinereus | LC | resident (-) | present | A2 |
| Micronesian Starling Aplonis opaca | LC | resident (-) | present | A2 |
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 status | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2007 | not assessed | medium | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | unset | - | |
| Pressure (threats to the key species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Energy production and mining | likely in short term (within 4 years) | most of population/area (50–90%) | slow deterioration (1–10% over 3 generations) | medium |
| Response (conservation actions taken for the key species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Wiya Swiftlet Cave (Micronesia, Federated States of). Downloaded from
https://datazone.birdlife.org/site/factsheet/wiya-swiftlet-cave-iba-micronesia-federated-states-of on 09/01/2025.