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Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Forest Francolin Peliperdix lathami	LC	resident	1999	present	A3
Hartlaub's Duck Pteronetta hartlaubii	LC	resident	1999	present	A3
Blue-headed Wood-dove Turtur brehmeri	LC	resident	1999	present	A3
Cercococcyx mechowi	NR	resident	1999	present	A3
Green Turaco Tauraco persa	LC	resident	1999	present	A3
Cassin's Hawk-eagle Aquila africana	LC	resident	1999	present	A3
Congo Pied Hornbill Lophoceros fasciatus	LC	resident	1999	present	A3
Eastern Piping Hornbill Bycanistes sharpii	LC	resident	1999	present	A3
Black Bee-eater Merops gularis	LC	resident	1999	present	A3
Blue-throated Roller Eurystomus gularis	LC	resident	1999	present	A3
White-bellied Kingfisher Corythornis leucogaster	LC	resident	1999	present	A3
Eastern Yellow-billed Barbet Trachylaemus purpuratus	LC	resident	1999	present	A3
Buccanodon duchaillui	NR	resident	1999	present	A3
Naked-faced Barbet Gymnobucco calvus	LC	resident	1999	present	A3
Spotted Honeyguide Indicator maculatus	LC	resident	1999	present	A3
Grey-headed Broadbill Smithornis sharpei	LC	resident	1999	present	A3
Western Black-headed Oriole Oriolus brachyrynchus	LC	resident	1999	present	A3
African Shrike-flycatcher Megabyas flammulatus	LC	resident	1999	present	A3
Chestnut Wattle-eye Dyaphorophyia castanea	LC	resident	1999	present	A3
Terpsiphone rufiventer	NR	resident	1999	present	A3
Western Nicator Nicator chloris	LC	resident	1999	present	A3
Green Crombec Sylvietta virens	LC	resident	1999	present	A3
Lemon-bellied Crombec Sylvietta denti	LC	resident	1999	present	A3
Buff-throated Apalis Apalis rufogularis	LC	resident	1999	present	A3
Yellow-browed Camaroptera Camaroptera superciliaris	LC	resident	1999	present	A3
Olive-green Camaroptera Camaroptera chloronota	LC	resident	1999	present	A3
Fanti Saw-wing Psalidoprocne obscura	LC	resident	1999	present	A3
Red-tailed Bristlebill Bleda syndactylus	LC	resident	1999	present	A3
Spotted Greenbul Ixonotus guttatus	LC	resident	1999	unknown	A3
Simple Greenbul Chlorocichla simplex	LC	resident	1999	present	A3
Grey Greenbul Eurillas gracilis	LC	resident	1999	present	A3
Red-tailed Greenbul Criniger calurus	LC	resident	1999	present	A3
Green Hylia Hylia prasina	LC	resident	1999	present	A3
Yellow-footed Flycatcher Muscicapa sethsmithi	LC	resident	1999	present	A3
Cassin's Flycatcher Muscicapa cassini	LC	resident	1999	present	A3
White-browed Forest-flycatcher Fraseria cinerascens	LC	resident	1999	present	A3
Orange-breasted Forest-robin Stiphrornis erythrothorax	LC	resident	1999	unknown	A3
Blue-throated Brown Sunbird Cyanomitra cyanolaema	LC	resident	1999	present	A3
Johanna's Sunbird Cinnyris johannae	LC	resident	1999	present	A3
Vieillot's Black Weaver Ploceus nigerrimus	LC	resident	1999	present	A3
Red-vented Malimbe Malimbus scutatus	LC	resident	1999	present	A3
Red-headed Malimbe Malimbus rubricollis	LC	resident	1999	present	A3
Western Bluebill Spermophaga haematina	LC	resident	1999	present	A3
Chestnut-breasted Nigrita Nigrita bicolor	LC	resident	1999	present	A3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
Agricultural expansion and intensification	marine and freshwater aquaculture - subsistence/artisinal aquaculture	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Biological resource use	fishing & harvesting aquatic resources - intentional use: subsistence/sml scale	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Human intrusions and disturbance	work and other activities	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Condition of habitat (state)
Habitat	Habitat Detail	Reference Area (ha)	Actual Area (ha)	% of habitat remaining	% of carrying capacity (overall)	Result
Forest		0	0	-	good (> 90%)	near favourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	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	Some limited conservation initiatives are in place	low

For more information about IBA monitoring please click here

Protection status:

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
River Amboi	Forest Reserve	10,169	protected area contained by site	0
Bissaula	Forest Reserve	22,236	protected area contained by site	0
Baissa	Forest Reserve	9,506	protected area contained by site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Savanna		-
Forest		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
hunting	-
nature conservation and research	-
water management	-
other	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Donga river basin forests. Downloaded from http://www.birdlife.org on 12/04/2021.