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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
White-faced Whistling-duck Dendrocygna viduata	LC	non-breeding	1997	58,613 individuals	A4i
Fulvous Whistling-duck Dendrocygna bicolor	LC	non-breeding	1997	9,510 individuals	A4i
Spur-winged Goose Plectropterus gambensis	LC	non-breeding	1995	7,332 individuals	A4i
Ferruginous Duck Aythya nyroca	NT	winter	1988	1,594 individuals	A1, A4i
Garganey Spatula querquedula	LC	winter	1998	147,563 individuals	A4i
Northern Pintail Anas acuta	LC	winter	1998	34,866 individuals	A4i
African Collared-dove Streptopelia roseogrisea	LC	resident	1999	present	A3
Purple Swamphen Porphyrio porphyrio	LC	non-breeding	1997	261 individuals	A4i
Savile's Bustard Lophotis savilei	LC	resident	1999	present	A3
Glossy Ibis Plegadis falcinellus	LC	non-breeding	1997	2,447 individuals	A4i
Black-tailed Godwit Limosa limosa	NT	winter	1997	6,473 individuals	A4i
Ruff Calidris pugnax	LC	winter	1996	108,381 individuals	A4i
Spotted Redshank Tringa erythropus	LC	winter	1997	4,065 individuals	A4i
Red-throated Bee-eater Merops bulocki	LC	resident	1999	present	A3
Yellow-breasted Barbet Trachyphonus margaritatus	LC	resident	1999	present	A3
Bearded Barbet Pogonornis dubius	LC	resident	1999	present	A3
Sahelian Woodpecker Dendropicos elachus	LC	resident	1999	present	A3
Senegal Parrot Poicephalus senegalus	LC	resident	1999	present	A3
Yellow-billed Shrike Lanius corvinus	LC	resident	1999	present	A3
Piapiac Ptilostomus afer	LC	resident	1999	present	A3
Yellow Penduline-tit Anthoscopus parvulus	LC	resident	1999	present	A3
Cricket Warbler Spiloptila clamans	LC	resident	1999	unknown	A3
Red-pate Cisticola Cisticola ruficeps	LC	resident	1999	present	A3
Rufous Cisticola Cisticola rufus	LC	resident	1999	present	A3
Chestnut-bellied Starling Lamprotornis pulcher	LC	resident	1999	present	A3
Purple Starling Lamprotornis purpureus	LC	resident	1999	present	A3
Black Scrub-robin Cercotrichas podobe	LC	resident	1999	present	A3
Chestnut-crowned Sparrow-weaver Plocepasser superciliosus	LC	resident	1999	present	A3
Heuglin's Masked Weaver Ploceus heuglini	LC	resident	1999	present	A3
Red-winged Pytilia Pytilia phoenicoptera	LC	resident	1999	present	A3
Lavender Waxbill Estrilda coerulescens	LC	resident	1999	present	A3
Black-rumped Waxbill Estrilda troglodytes	LC	resident	1999	present	A3
Sudan Golden Sparrow Passer luteus	LC	resident	1999	present	A3
Sahel Bush-sparrow Gymnoris dentata	LC	resident	1999	present	A3
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).

State (condition of the trigger species' populations)
Scientific name	Common name	Reference population	Actual population	Units	% of population remaining	Result
Dendrocygna viduata	White-faced Whistling-duck	131000	131000	mature individuals	100	favourable
Spatula querquedula	Garganey	114000	114000	individuals	100	favourable
Calidris pugnax	Ruff	98000	98000	individuals	100	favourable

State (condition of the trigger species' habitats)
Habitat	Habitat detail	Reference area (ha)	Actual area (ha)	Habitat quantity (% remaining)	Habitat quality (carrying capacity)	Result
Artificial/Terrestrial	Arable land	0	0	good (> 90%)	good (> 90%)	favourable
Wetlands (inland)	Freshwater lakes and pools	0	0	good (> 90%)	good (> 90%)	favourable
Wetlands (inland)	Rivers & streams	0	0	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Agricultural expansion and intensification	annual & perennial non-timber crops - small-holder farming	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Agricultural expansion and intensification	livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Agricultural expansion and intensification	livestock farming and ranching (includes forest grazing) - nomadic grazing	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Biological resource use	hunting & collecting terrestrial animals - intentional use (species being assessed is the target)	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Climate change and severe weather	drought	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Invasive and other problematic species and genes	problematic native species/diseases - named species	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Yamdugu	Forest Reserve	19,850	protected area overlaps with site	0
Nguru Lake	Ramsar Site, Wetland of International Importance	58,100	protected area contained by site	58,100
Hadejia Plantation	Forest Reserve	321	protected area overlaps with site	0
Gwaiyo	Forest Reserve	10,871	protected area contained by site	0
Gogiya	Forest Reserve	465	protected area contained by site	0
Forest Reserve Name Unknown (NGA) No.12	Forest Reserve	619	protected area overlaps with site	0
Dagona Sanctuary Lake	Ramsar Site, Wetland of International Importance	344	protected area contained by site	0
Dagona	Game Reserve	70	protected area overlaps with site	0
Chad Basin	National Park	230,000	protected area overlaps with site	0
Baturiya Wetlands	Game Reserve	29,700	protected area overlaps with site	29,700
Baturiya Wetland	Ramsar Site, Wetland of International Importance	101,095	protected area overlaps with site	0
Adiani	Forest Reserve	132	protected area contained by site	132

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Artificial/Terrestrial	Arable land, Farmbush, fallow & ruderal land, Perennial crops, orchards and groves	-
Wetlands (inland)	Artificial wetlands, Ephemeral pools and wetlands, Freshwater lakes and pools, Riverine floodplains, Rivers & streams	-
Grassland	Grassland - edaphic, dry, Grassland - edaphic, wet, Grassland - secondary, Grassland - Semi-desert	-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
agriculture	-
nature conservation and research	-
tourism/recreation	-
water management	-
fisheries/aquaculture	-
military	-
rangeland/pastureland	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Hadejia-Nguru wetlands. Downloaded from http://datazone.birdlife.org/site/factsheet/hadejia-nguru-wetlands-iba-nigeria on 03/10/2023.