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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 ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
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	VU	resident (1997)	present	A1
Malagasy 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 birds	A1, A2, A3
Madagascar Jacana Actophilornis albinucha	EN	resident (1997)	present	A2
Lesser Crested Tern Thalasseus bengalensis	LC	non-breeding (1997)	5,000 birds	A4i
Madagascar Fish-eagle Haliaeetus vociferoides	CR	resident (1997)	2–3 pairs	A1, A2, A3
Sickle-billed Vanga Falculea palliata	LC	resident (1997)	present	A3
Sakalava Weaver Ploceus sakalava	LC	resident (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.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	moderate (70–90%)	good (>90%)	moderate

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Natural system modifications	happe­ning now	few indivi­duals/small area (<10%)	rapid decline (>30% over 3 gener­ations)	low

Response (conservation actions taken for the trigger 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	Baie de Baly	National Park (II)	16

Habitat	% of IBA	Habitat detail
Forest	55	Lowland forest - dry deciduous; Mangrove
Shrubland	18	Bushland & thicket - deciduous
Grassland	9	Grassland - secondary
Marine Intertidal	9
Wetlands (inland)	5	Rivers & streams; Freshwater lakes and pools
Savanna	4	Wooded grassland

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
forestry	-
hunting	-
nature conservation and research	-
tourism/recreation	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Baly Bay National Park (Madagascar). Downloaded from https://datazone.birdlife.org/site/factsheet/baly-bay-national-park-iba-madagascar on 23/12/2024.