Lac Horo

IBA Justification

The site was identified as important in 2001 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
Fulvous Whistling-duck Dendrocygna bicolor LC non-breeding 1984 23,000 individuals A4i
Ferruginous Duck Aythya nyroca NT winter 1987 5,600 individuals A1, A4i
Garganey Spatula querquedula LC winter 1985 31,270 individuals A4i
Northern Pintail Anas acuta LC winter 1985 27,600 individuals A4i
Great White Egret Ardea alba LC non-breeding 1999 560 individuals A4i
Black-winged Stilt Himantopus himantopus LC non-breeding 1978 1,600 individuals A4i
Black-tailed Godwit Limosa limosa NT winter 1985 6,200 individuals A4i
Ruff Calidris pugnax LC winter 1978 32,000 individuals A4i
Caspian Tern Hydroprogne caspia LC winter 1979 2,000 individuals A4i
White-winged Tern Chlidonias leucopterus LC winter 1980 3,000 individuals A4i
A4iii Species group - waterbirds n/a non-breeding - 100,000-499,999 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2001 not assessed medium not assessed
Was the whole site assessed? State assessed by Accuracy of information
yes unset good

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now small area/few individuals (<10%) slow but significant deterioration low
Biological resource use fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale happening now small area/few individuals (<10%) slow but significant deterioration low
Human intrusions and disturbance work and other activities 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-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
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)
Delta Intérieur du Niger Ramsar Site, Wetland of International Importance 4,119,500 protected area contains site 18,900


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Artificial/Terrestrial -
Wetlands (inland) -
Shrubland -
Forest -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
nature conservation and research -
water management -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lac Horo. Downloaded from on 01/12/2023.