Data Zone
The site was identified as internationally important for bird conservation in 2001 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Tufted Duck Aythya fuligula | LC | winter (2000) | 10,000 birds | A4i |
| Philippine Duck Anas luzonica | VU | resident (1980–1989) | uncommon | A1 |
| Mindoro Bleeding-heart Gallicolumba platenae | CR | resident (1990–1999) | present | A1, A2 |
| Mindoro Imperial-pigeon Ducula mindorensis | NT | resident (1980–1989) | present | A1, A2 |
| Spotted Imperial-pigeon Ducula carola | VU | resident (1980–1989) | present | A1 |
| Black-hooded Coucal Centropus steerii | CR | resident (1980–1989) | present | A1, A2 |
| Mindoro Hornbill Penelopides mindorensis | EN | resident (1990–1999) | present | A1, A2 |
| Philippine Cockatoo Cacatua haematuropygia | CR | resident (1880–1900) | present | A1 |
| Ashy Thrush Geokichla cinerea | VU | resident (1970–1979) | present | A1, A2 |
| Scarlet-collared Flowerpecker Dicaeum retrocinctum | NT | resident (1980–1989) | present | A1, A2 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2001. The most recent assessment (2001) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2001 | not assessed | high | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Biological resource use | happening now | most of population/area (50–90%) | moderate decline (10–30% over 3 generations) | high |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1968 | Naujan Lake | National Park (IV) | 100 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Artificial/Terrestrial | major (>10) | |
| Wetlands (inland) | major (>10) | |
| Forest | minor (<10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Naujan (Philippines). Downloaded from
https://datazone.birdlife.org/site/factsheet/lake-naujan-iba-philippines on 23/12/2024.