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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
Blue-headed Wood-dove Turtur brehmeri	LC	resident (1997)	present	A3
Black-throated Coucal Centropus leucogaster	LC	resident (1997)	present	A3
Yellow-billed Turaco Tauraco macrorhynchus	LC	resident (1997)	present	A3
White-crested Tiger-heron Tigriornis leucolopha	LC	resident (1997)	present	A3
Black Tern Chlidonias niger	LC	winter (1986)	3,900 birds	A4i
Royal Tern Thalasseus maximus	LC	non-breeding (1986)	500 birds	A4i
Red-legged Sparrowhawk Accipiter erythropus	LC	resident (1997)	present	A3
Western Piping Hornbill Bycanistes fistulator	LC	resident (1997)	present	A3
Black Bee-eater Merops gularis	LC	resident (1997)	present	A3
Western Yellow-spotted Barbet Buccanodon dowsetti	LC	resident (1997)	present	A3
Speckled Tinkerbird Pogoniulus scolopaceus	LC	resident (1997)	present	A3
Red-rumped Tinkerbird Pogoniulus atroflavus	LC	resident (1997)	present	A3
Yellow-throated Tinkerbird Pogoniulus subsulphureus	LC	resident (1997)	present	A3
Hairy-breasted Barbet Tricholaema hirsuta	LC	resident (1997)	present	A3
Buff-spotted Woodpecker Pardipicus nivosus	LC	resident (1997)	present	A3
Melancholy Woodpecker Dendropicos lugubris	LC	resident (1997)	present	A3
Western Black-headed Oriole Oriolus brachyrynchus	LC	resident (1997)	present	A3
African Shrike-flycatcher Megabyas flammulatus	LC	resident (1997)	present	A3
Red-cheeked Wattle-eye Dyaphorophyia blissetti	LC	resident (1997)	present	A3
West African Wattle-eye Dyaphorophyia hormophora	LC	resident (1997)	present	A3
Lowland Sooty Boubou Laniarius leucorhynchus	LC	resident (1997)	present	A3
Red-bellied Paradise-flycatcher Terpsiphone rufiventer	LC	resident (1997)	present	A3
Western Nicator Nicator chloris	LC	resident (1997)	present	A3
Green Crombec Sylvietta virens	LC	resident (1997)	present	A3
Kemp's Longbill Macrosphenus kempi	LC	resident (1997)	present	A3
Grey Longbill Macrosphenus concolor	LC	resident (1997)	present	A3
Olive-green Camaroptera Camaroptera chloronota	LC	resident (1997)	present	A3
Swamp Palm Bulbul Thescelocichla leucopleura	LC	resident (1997)	present	A3
Simple Greenbul Chlorocichla simplex	LC	resident (1997)	present	A3
Plain Greenbul Eurillas curvirostris	LC	resident (1997)	present	A3
White-throated Greenbul Phyllastrephus albigularis	LC	resident (1997)	present	A3
Icterine Greenbul Phyllastrephus icterinus	LC	resident (1997)	present	A3
Green Hylia Hylia prasina	LC	resident (1997)	present	A3
Brown Illadopsis Illadopsis fulvescens	LC	resident (1997)	present	A3
Grey-hooded Capuchin Babbler Phyllanthus atripennis	VU	resident (1997)	present	A3
Copper-tailed Starling Hylopsar cupreocauda	NT	resident (1997)	present	A3
White-tailed Ant-thrush Neocossyphus poensis	LC	resident (1997)	present	A3
Cassin's Flycatcher Muscicapa cassini	LC	resident (1997)	present	A3
Blue-shouldered Robin-chat Cossypha cyanocampter	LC	resident (1997)	present	A3
Fraser's Sunbird Deleornis fraseri	LC	resident (1997)	present	A3
Mouse-brown Sunbird Anthreptes gabonicus	LC	resident (1997)	present	A3
Yellow-chinned Sunbird Anthreptes rectirostris	LC	resident (1997)	present	A3
Reichenbach's Sunbird Anabathmis reichenbachii	LC	resident (1997)	present	A3
Blue-throated Brown Sunbird Cyanomitra cyanolaema	LC	resident (1997)	present	A3
Buff-throated Sunbird Chalcomitra adelberti	LC	resident (1997)	present	A3
Carmelite Sunbird Chalcomitra fuliginosa	LC	resident (1997)	present	A3
Superb Sunbird Cinnyris superbus	LC	resident (1997)	present	A3
Orange Weaver Ploceus aurantius	LC	resident (1997)	present	A3
Chestnut-and-black Weaver Ploceus castaneofuscus	LC	resident (1997)	present	A3
Red-vented Malimbe Malimbus scutatus	LC	resident (1997)	present	A3
Blue-billed Malimbe Malimbus nitens	LC	resident (1997)	present	A3
Crimson Seedcracker Pyrenestes sanguineus	LC	resident (1997)	present	A3
Chestnut-breasted Nigrita Nigrita bicolor	LC	resident (1997)	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' populations)
Species	Actual vs Reference (units)	% remaining	Result
Black Tern Chlidonias niger	5 / 3,900 (mature individuals)	1	very poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Residential and commercial development	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Transportation and service corridors	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Pollution	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Human intrusions and disturbance	likely in short term (<4 years)	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	medium
Agricultural expansion and intensification	past (and unlikely to return) and no longer limiting	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
Whole area (>90%) covered by appropriate conservation designation	A management plan exists, but it is out of date or not compre­hensive	Some limited conservation initiatives are in place	medium

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Cape Mount	Nature Conservation Unit (-)	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Piso Conservation Forum	2006

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

Habitat	% of IBA	Habitat detail
Unknown	31
Marine Coastal/Supratidal	30
Forest	22	Lowland forest - undifferentiated; Mangrove
Artificial/Terrestrial	15
Marine Intertidal	minor (<10)

Land use	% of IBA
forestry	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Piso (Cape Mount) (Liberia). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-piso-(cape-mount)-iba-liberia on 23/12/2024.