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• Text account
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• Reference and further resources

The site was identified as internationally important for bird conservation in 2019 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
Fulvous Whistling-duck Dendrocygna bicolor	LC	non-breeding (2014–2017)	308–576 birds	B3a
Egyptian Goose Alopochen aegyptiaca	LC	non-breeding (2014–2017)	59–88 birds	B3a
Black Stork Ciconia nigra	LC	winter (2014–2017)	41–109 birds	B3a
Eurasian Spoonbill Platalea leucorodia	LC	winter (2014–2017)	209–563 birds	B3a
Black-crowned Night Heron Nycticorax nycticorax	LC	non-breeding (2014–2017)	2,863–8,540 birds	B3a
Squacco Heron Ardeola ralloides	LC	non-breeding (2014–2017)	85–94 birds	B3a
Black-tailed Godwit Limosa limosa	NT	winter (2014–2017)	196–419 birds	B1a
A4iii Species group - waterbirds	n/a	winter (1993–1998)	100,000-499,999 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2019. The most recent assessment (2001) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
No known threats	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Ndiael	Wildlife Reserve (IV)	33

Habitat	% of IBA	Habitat detail
Grassland	79
Artificial/Terrestrial	12
Desert	4
Wetlands (inland)	3

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
hunting	-
nature conservation and research	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ndiaël basin (including the Trois Marigots) (Senegal). Downloaded from https://datazone.birdlife.org/site/factsheet/ndiaël-basin-(including-the-trois-marigots)-iba-senegal on 25/12/2024.