Data Zone
The site was identified as internationally important for bird conservation in 1999 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 |
|---|---|---|---|---|
| Madagascar Grebe Tachybaptus pelzelnii | EN | resident (1993–1997) | present | A1 |
| Giant Coua Coua gigas | LC | resident (1993–1997) | present | A3 |
| Coquerel's Coua Coua coquereli | LC | resident (1993–1997) | present | A2, A3 |
| Olive-capped Coua Coua olivaceiceps | LC | resident (1993–1997) | present | A3 |
| Madagascar Crested Ibis Lophotibis cristata | VU | resident (1993–1997) | present | A1 |
| Malagasy Pond Heron Ardeola idae | EN | breeding (1993–1997) | present | A1 |
| Malagasy Harrier Circus macrosceles | EN | resident (1993–1997) | present | A1 |
| Madagascar Sparrowhawk Accipiter madagascariensis | NT | resident (1993–1997) | present | A1 |
| Henst's Goshawk Accipiter henstii | VU | resident (1993–1997) | present | A1 |
| Sickle-billed Vanga Falculea palliata | LC | resident (1993–1997) | present | A3 |
| Subdesert Brush-warbler Nesillas lantzii | LC | resident (1993–1997) | present | A3 |
| Thamnornis Thamnornis chloropetoides | LC | resident (1993–1997) | present | A2, A3 |
| Appert's Tetraka Xanthomixis apperti | VU | resident (1993–1997) | present | A1, A2, A3 |
| Forest Rock-thrush Monticola sharpei | LC | non-breeding (1993–1997) | present | A1, A2 |
| Sakalava Weaver Ploceus sakalava | LC | resident (1993–1997) | present | A3 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1999. The most recent assessment (2017) is shown below.
| IBA conservation status | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2017 | favourable | high | low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | habitat | medium | |
| State (condition of the key species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Forest | - | good (>90%) | favourable |
| Pressure (threats to the key species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Biological resource use | happening now | some of population/area (10–49%) | moderate deterioration (10–30% in 3 generations) | high |
| Energy production and mining | happening now | some of population/area (10–49%) | slow deterioration (1–10% over 3 generations) | medium |
| Natural system modifications | happening now | some of population/area (10–49%) | slow deterioration (1–10% over 3 generations) | medium |
| Response (conservation actions taken for the key species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Unknown | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | Unknown | low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1997 | Vohibasia | National Park (II) | 35 |
| 1997 | Zombitse-Vohibasia | National Park (II) | 65 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | 80 | |
| Savanna | 17 | |
| Grassland | - | |
| Shrubland | - |
| Land use | % of IBA |
|---|---|
| agriculture | - |
| hunting | - |
| nature conservation and research | - |
| tourism/recreation | - |
| other | - |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Zombitse-Vohibasia National Park and extension (Madagascar). Downloaded from
https://datazone.birdlife.org/site/factsheet/zombitse-vohibasia-national-park-and-extension-iba-madagascar on 24/01/2025.