Data Zone
The site was identified as internationally important for bird conservation in 2006 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 |
|---|---|---|---|---|
| Spotted Imperial-pigeon Ducula carola | VU | resident (2000) | present | A1 |
| Flame-breasted Fruit-dove Ramphiculus marchei | VU | resident (2000) | present | A1, A2 |
| Philippine Eagle-owl Bubo philippensis | VU | resident (2000) | present | A1 |
| Philippine Eagle Pithecophaga jefferyi | CR | resident (1900–1919) | present | A1 |
| North Philippine Dwarf-kingfisher Ceyx melanurus | LC | resident (2000) | present | A1 |
| Green Racquet-tail Prioniturus luconensis | EN | resident (2000) | present | A1, A2 |
| Whiskered Pitta Erythropitta kochi | LC | resident (2000) | present | A1, A2 |
| Celestial Monarch Hypothymis coelestis | VU | resident (2000) | present | A1, A2 |
| Ashy Thrush Geokichla cinerea | VU | resident (2000) | present | A1, A2 |
| Ashy-breasted Flycatcher Muscicapa randi | VU | resident (2000) | present | A1, A2 |
| Green-faced Parrotfinch Erythrura viridifacies | VU | resident (2000) | present | A1, A2 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2006. The most recent assessment (2018) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2018 | very poor | very 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 |
| Forest | - | moderate (70–90%) | very poor |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Agricultural expansion and intensification | happening now | most of population/area (50–90%) | rapid decline (>30% over 3 generations) | very high |
| Energy production and mining | happening now | most of population/area (50–90%) | slow decline (1–10% over 3 generations) | high |
| Biological resource use | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Transportation and service corridors | likely in long term (>4 years) | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Whole area (>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 (management category) | % coverage of IBA |
|---|---|---|---|
| 1968 | Angat (Metro Water District) | Watershed Forest Reserve (VI) | 21 |
| 1968 | Angat | Watershed Forest Reserve (VI) | 2 |
| 1987 | Unnamed National Park, Wildlife Sanctuary and Game Preserve (PD 1636) | National Park (V) | 24 |
| 1988 | Doña Remedios Trinidad - General Tinio | Watershed Forest Reserve (V) | 7 |
| 2011 | Upper Marikina River Basin | Protected Landscape (V) | <1 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | major (>10) | |
| Artificial/Terrestrial | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mounts Irid-Angilo and Binuang (Philippines). Downloaded from
https://datazone.birdlife.org/site/factsheet/mounts-irid-angilo-and-binuang-iba-philippines on 23/12/2024.