Baly Bay National Park

IBA Justification

The site was identified as important in 1999 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Madagascar Teal Anas bernieri EN resident 1997 present A1, A2, A3
Madagascar Grebe Tachybaptus pelzelnii EN resident 1997 present A1
Giant Coua Coua gigas LC resident 1997 present A3
Coquerel's Coua Coua coquereli LC resident 1997 present A2, A3
Red-capped Coua Coua ruficeps LC resident 1997 present A3
Madagascar Crested Ibis Lophotibis cristata NT resident 1997 present A1
Madagascar Pond-heron Ardeola idae EN breeding 1997 present A1
Madagascar Heron Ardea humbloti EN resident 1997 present A1, A2, A3
Black-banded Plover Charadrius thoracicus VU resident 1997 19 individuals A1, A2, A3
Madagascar Jacana Actophilornis albinucha EN resident 1997 present A2
Lesser Crested Tern Thalasseus bengalensis LC non-breeding 1997 5,000 individuals A4i
Madagascar Fish-eagle Haliaeetus vociferoides CR resident 1997 2-3 breeding pairs A1, A2, A3
Sickle-billed Vanga Falculea palliata LC resident 1997 present A3
Sakalava Weaver Ploceus sakalava LC resident 1997 present A3

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1999).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2017 near favourable medium low
Was the whole site assessed? State assessed by Accuracy of information
no habitat medium

State (condition of the trigger species' habitats)
Habitat Habitat detail Reference area (ha) Actual area (ha) Habitat quantity (% remaining) Habitat quality (carrying capacity) Result
Forest 0 0 moderate (70-90%) good (> 90%) near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Biological resource use gathering terrestrial plants - motivation unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications fire & fire suppression - trend unknown/unrecorded happening now small area/few individuals (<10%) very rapid to severe deterioration low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Unknown A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Unknown low
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Baie de Baly National Park 65,306 protected area contained by site 65,315


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Rivers & streams, Freshwater lakes and pools -
Shrubland Bushland & thicket - deciduous -
Grassland Grassland - secondary -
Forest Lowland forest - dry deciduous, Mangrove -
Savanna Wooded grassland -
Marine Intertidal -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
forestry -
hunting -
nature conservation and research -
tourism/recreation -
other -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Baly Bay National Park. Downloaded from on 04/10/2023.