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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Madagascar Teal Anas bernieri	EN	resident	1998	67 individuals	A1, A2, A3, A4i
Madagascar Heron Ardea humbloti	EN	resident	1998	present	A1, A2, A3
Black-banded Plover Charadrius thoracicus	VU	resident	1998	61 individuals	A1, A2, A3, A4i
Madagascar Jacana Actophilornis albinucha	EN	resident	1998	present	A2
Roseate Tern Sterna dougallii	LC	non-breeding	1998	883 individuals	A4i
Lesser Crested Tern Thalasseus bengalensis	LC	non-breeding	1998	3,200 individuals	A4i
Madagascar Fish-eagle Haliaeetus vociferoides	CR	resident	1998	present	A1, A2, A3
Sickle-billed Vanga Falculea palliata	LC	resident	1998	present	A3
Sakalava Weaver Ploceus sakalava	LC	resident	1998	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (1999) may differ.

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%)	moderate (70-90%)	unfavourable
Marine Coastal/Supratidal	moderate (70-90%)	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Biological resource use	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Pollution	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other 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	% overlap with IBA
2012	Lac Kinkony	Ramsar Site, Wetland of International Importance	13
2012	Zone Humide de Mandrozo	Ramsar Site, Wetland of International Importance	13

Habitat1	Habitat detail	% of IBA
Forest		major (>10)
Wetlands (inland)	Freshwater lakes and pools	-

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tambohorano Wetland NPA (Madagascar). Downloaded from https://datazone.birdlife.org/site/factsheet/tambohorano-wetland-npa-iba-madagascar on 23/11/2024.