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• Reference and further resources

The site was identified as internationally important for bird conservation in 2001 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
Adamawa Turtle-dove Streptopelia hypopyrrha	LC	resident (1999)	present	A3
Violet Turaco Musophaga violacea	LC	resident (1999)	present	A3
Red-throated Bee-eater Merops bulocki	LC	resident (1999)	present	A3
Blue-bellied Roller Coracias cyanogaster	LC	resident (1999)	present	A3
Bearded Barbet Pogonornis dubius	LC	resident (1999)	present	A3
Fox Kestrel Falco alopex	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
Sun Lark Galerida modesta	LC	resident (1999)	present	A3
Senegal Eremomela Eremomela pusilla	LC	resident (1999)	present	A3
Oriole Warbler Hypergerus atriceps	LC	resident (1999)	present	A3
Purple Starling Lamprotornis purpureus	LC	resident (1999)	present	A3
Gambaga Flycatcher Muscicapa gambagae	LC	breeding (1999)	present	A3
Splendid Sunbird Cinnyris coccinigastrus	LC	resident (1999)	present	A3
Chestnut-crowned Sparrow-Weaver Plocepasser superciliosus	LC	resident (1999)	present	A3
Black-bellied Firefinch Lagonosticta rara	LC	resident (1999)	present	A3
Bar-breasted Firefinch Lagonosticta rufopicta	LC	resident (1999)	present	A3
Grey Firefinch Lagonosticta nigricollis	LC	resident (1999)	present	A3
Yellow-winged Pytilia Pytilia hypogrammica	LC	resident (1999)	present	A3
Dybowski's Twinspot Euschistospiza dybowskii	LC	resident (1999)	present	A3
Lavender Waxbill Glaucestrilda coerulescens	LC	resident (1999)	present	A3
Black-rumped Waxbill Estrilda troglodytes	LC	resident (1999)	present	A3
Exclamatory Paradise-whydah Vidua interjecta	LC	resident (1999)	present	A3
Sahel Bush-sparrow Gymnoris dentata	LC	resident (1999)	present	A3

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

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Shrubland	-	moderate (70–90%)	very poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Most of area (50–90%) covered (including the most critical parts for important bird species)	No management planning has taken place	Very little or no conservation action taking place	low

Habitat	% of IBA	Habitat detail
Shrubland	83
Forest	10
Artificial/Terrestrial	5

Land use	% of IBA
agriculture	-
tourism/recreation	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Assop Falls and hills (Nigeria). Downloaded from https://datazone.birdlife.org/site/factsheet/assop-falls-and-hills-iba-nigeria on 23/12/2024.