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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
White-breasted Guineafowl Agelastes meleagrides	VU	resident	2000	present	A1, A2, A3
Forest Francolin Peliperdix lathami	LC	resident	2000	present	A3
Hartlaub's Duck Pteronetta hartlaubii	LC	resident	2000	present	A3
Afep Pigeon Columba unicincta	LC	resident	2000	present	A3
Blue-headed Wood-dove Turtur brehmeri	LC	resident	2000	present	A3
Brown Nightjar Veles binotatus	LC	resident	2000	present	A3
Bates's Swift Apus batesi	LC	resident	2000	present	A3
Black-throated Coucal Centropus leucogaster	LC	resident	2000	present	A3
Dusky Long-tailed Cuckoo Cercococcyx mechowi	LC	resident	2000	present	A3
Green Turaco Tauraco persa	LC	resident	2000	present	A3
Yellow-billed Turaco Tauraco macrorhynchus	LC	resident	2000	present	A3
White-crested Tiger-heron Tigriornis leucolopha	LC	resident	2000	present	A3
Rufous Fishing-owl Scotopelia ussheri	VU	resident	2000	present	A1, A2, A3
Cassin's Hawk-eagle Aquila africana	LC	resident	2000	present	A3
Red-legged Sparrowhawk Accipiter erythropus	LC	resident	2000	present	A3
Long-tailed Hawk Urotriorchis macrourus	LC	resident	2000	present	A3
Western Long-tailed Hornbill Horizocerus albocristatus	LC	resident	2000	present	A3
Eastern Dwarf Hornbill Horizocerus granti	LC	resident	2000	present	A3
West African Pied Hornbill Lophoceros semifasciatus	LC	resident	2000	present	A3
Yellow-casqued Hornbill Ceratogymna elata	VU	resident	2000	present	A1, A3
Black-casqued Hornbill Ceratogymna atrata	LC	resident	2000	present	A3
Black-and-white-casqued Hornbill Bycanistes subcylindricus	LC	resident	2000	present	A3
Brown-cheeked Hornbill Bycanistes cylindricus	VU	resident	2000	present	A1, A2, A3
Western Piping Hornbill Bycanistes fistulator	LC	resident	2000	present	A3
Forest Scimitarbill Rhinopomastus castaneiceps	LC	resident	2000	present	A3
Black Bee-eater Merops gularis	LC	resident	2000	present	A3
Blue-moustached Bee-eater Merops mentalis	NT	resident	2000	present	A3
Blue-throated Roller Eurystomus gularis	LC	resident	2000	present	A3
Chocolate-backed Kingfisher Halcyon badia	LC	resident	2000	present	A3
Western Yellow-billed Barbet Trachylaemus goffinii	LC	resident	2000	present	A3
Naked-faced Barbet Gymnobucco calvus	LC	resident	2000	present	A3
Western Yellow-spotted Barbet Buccanodon dowsetti	LC	resident	2000	present	A3
Bristle-nosed Barbet Gymnobucco peli	LC	resident	2000	present	A3
Speckled Tinkerbird Pogoniulus scolopaceus	LC	resident	2000	present	A3
Red-rumped Tinkerbird Pogoniulus atroflavus	LC	resident	2000	present	A3
Yellow-throated Tinkerbird Pogoniulus subsulphureus	LC	resident	2000	present	A3
Hairy-breasted Barbet Tricholaema hirsuta	LC	resident	2000	present	A3
Lyre-tailed Honeyguide Melichneutes robustus	LC	resident	2000	present	A3
Melancholy Woodpecker Dendropicos lugubris	LC	resident	2000	present	A3
Buff-spotted Woodpecker Pardipicus nivosus	LC	resident	2000	present	A3
Brown-eared Woodpecker Pardipicus caroli	LC	resident	2000	present	A3
Fire-bellied Woodpecker Dendropicos pyrrhogaster	LC	resident	2000	present	A3
Grey Parrot Psittacus erithacus	EN	resident	2000	present	A3
Rufous-sided Broadbill Smithornis rufolateralis	LC	resident	2000	present	A3
Western Black-headed Oriole Oriolus brachyrynchus	LC	resident	2000	present	A3
Black-winged Oriole Oriolus nigripennis	LC	resident	2000	present	A3
Western Wattled Cuckooshrike Lobotos lobatus	VU	resident	1997	unknown	A2, A3
Red-billed Helmetshrike Prionops caniceps	LC	resident	2000	present	A3
West African Batis Batis occulta	LC	resident	2000	present	A3
West African Wattle-eye Dyaphorophyia hormophora	LC	resident	2000	present	A3
Shining Drongo Dicrurus atripennis	LC	resident	2000	present	A3
Western Crested-flycatcher Trochocercus nitens	LC	resident	2000	present	A3
Red-bellied Paradise-flycatcher Terpsiphone rufiventer	LC	resident	2000	present	A3
Dusky Crested-flycatcher Elminia nigromitrata	LC	resident	2000	present	A3
Western Nicator Nicator chloris	LC	resident	2000	present	A3
Green Crombec Sylvietta virens	LC	resident	2000	present	A3
Grey Longbill Macrosphenus concolor	LC	resident	2000	present	A3
Rufous-crowned Eremomela Eremomela badiceps	LC	resident	2000	present	A3
Black-capped Apalis Apalis nigriceps	LC	resident	2000	present	A3
Sharpe's Apalis Apalis sharpii	NT	resident	2000	present	A2, A3
Yellow-browed Camaroptera Camaroptera superciliaris	LC	resident	2000	present	A3
Square-tailed Saw-wing Psalidoprocne nitens	LC	resident	2000	present	A3
Fanti Saw-wing Psalidoprocne obscura	LC	resident	2000	present	A3
White-bibbed Swallow Hirundo nigrita	LC	resident	2000	present	A3
Golden Greenbul Calyptocichla serinus	LC	resident	2000	present	A3
Red-tailed Bristlebill Bleda syndactylus	LC	resident	2000	present	A3
Green-tailed Bristlebill Bleda eximius	NT	resident	1999	present	A1, A2, A3
Grey-headed Bristlebill Bleda canicapillus	LC	resident	2000	present	A3
Spotted Greenbul Ixonotus guttatus	LC	resident	2000	present	A3
Swamp Palm Bulbul Thescelocichla leucopleura	LC	resident	2000	present	A3
Honeyguide Greenbul Baeopogon indicator	LC	resident	2000	present	A3
Simple Greenbul Chlorocichla simplex	LC	resident	2000	present	A3
Grey Greenbul Eurillas gracilis	LC	resident	2000	present	A3
Plain Greenbul Eurillas curvirostris	LC	resident	2000	present	A3
Western Bearded Greenbul Criniger barbatus	LC	resident	2000	present	A3
Red-tailed Greenbul Criniger calurus	LC	resident	2000	present	A3
Yellow-bearded Greenbul Criniger olivaceus	VU	resident	1999	present	A1, A2, A3
Icterine Greenbul Phyllastrephus icterinus	LC	resident	2000	present	A3
Chestnut-capped Flycatcher Erythrocercus mccallii	LC	resident	2000	present	A3
Green Hylia Hylia prasina	LC	resident	2000	present	A3
Brown Illadopsis Illadopsis fulvescens	LC	resident	2000	present	A3
Black-capped Illadopsis Illadopsis cleaveri	LC	resident	2000	present	A3
Rufous-winged Illadopsis Illadopsis rufescens	NT	resident	2000	present	A1, A2, A3
Copper-tailed Starling Hylopsar cupreocauda	NT	resident	2000	present	A1, A2, A3
Grey Ground-thrush Geokichla princei	LC	resident	2000	present	A3
White-tailed Alethe Alethe diademata	LC	resident	2000	present	A3
Forest Scrub-robin Tychaedon leucosticta	LC	resident	2000	present	A3
Cassin's Flycatcher Muscicapa cassini	LC	resident	2000	present	A3
Dusky Blue Flycatcher Bradornis comitatus	LC	resident	2000	present	A3
White-browed Forest-flycatcher Fraseria cinerascens	LC	resident	2000	present	A3
African Forest-flycatcher Fraseria ocreata	LC	resident	2000	present	A3
Orange-breasted Forest-robin Stiphrornis erythrothorax	LC	resident	2000	present	A3
Fraser's Sunbird Deleornis fraseri	LC	resident	2000	present	A3
Yellow-chinned Sunbird Anthreptes rectirostris	LC	resident	2000	present	A3
Blue-throated Brown Sunbird Cyanomitra cyanolaema	LC	resident	2000	present	A3
Buff-throated Sunbird Chalcomitra adelberti	LC	resident	2000	present	A3
Johanna's Sunbird Cinnyris johannae	LC	resident	2000	present	A3
Superb Sunbird Cinnyris superbus	LC	resident	2000	present	A3
Maxwell's Black Weaver Ploceus albinucha	LC	resident	2000	present	A3
Cassin's Malimbe Malimbus cassini	LC	resident	2000	present	A3
Red-vented Malimbe Malimbus scutatus	LC	resident	2000	present	A3
Blue-billed Malimbe Malimbus nitens	LC	resident	2000	present	A3
Red-headed Malimbe Malimbus rubricollis	LC	resident	2000	present	A3
Crested Malimbe Malimbus malimbicus	LC	resident	2000	present	A3
Western Bluebill Spermophaga haematina	LC	resident	2000	present	A3
White-breasted Nigrita Nigrita fusconotus	LC	resident	2000	present	A3
Chestnut-breasted Nigrita Nigrita bicolor	LC	resident	2000	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2001. The most recent assessment (2021) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Transportation and service corridors	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Residential and commercial development	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
-	Nini-Suhien	National Park	33
1934	Ankasa River	Forest Reserve	99
1976	Ankasa	Resource Reserve	67

Habitat1	Habitat detail	% of IBA
Forest		91
Unknown		5
Artificial/Terrestrial		2

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
hunting	-
nature conservation and research	-
tourism/recreation	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ankasa Resource Reserve - Nini-Sushien National Park (Ghana). Downloaded from https://datazone.birdlife.org/site/factsheet/ankasa-resource-reserve--nini-sushien-national-park-iba-ghana on 22/11/2024.