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The site was identified as important in 2019 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
Lesser Flamingo Phoeniconaias minor	NT	non-breeding	2014-2017	101-175 individuals	B1a
Violet Turaco Musophaga violacea	LC	resident	1997	present	A3
Eurasian Oystercatcher Haematopus ostralegus	NT	winter	2014-2017	182-370 individuals	B1a
Eurasian Curlew Numenius arquata	NT	winter	2014-2017	17-30 individuals	B1a
Bar-tailed Godwit Limosa lapponica	NT	winter	2014-2017	228-399 individuals	B1a
Red Knot Calidris canutus	NT	winter	2014-2017	178-256 individuals	B1a
Curlew Sandpiper Calidris ferruginea	VU	winter	2014-2017	1,185-1,646 individuals	B1a
Caspian Tern Hydroprogne caspia	LC	non-breeding	2014-2017	275-370 individuals	B3a
Red-throated Bee-eater Merops bulocki	LC	resident	1997	present	A3
Blue-bellied Roller Coracias cyanogaster	LC	resident	1997	present	A3
Senegal Parrot Poicephalus senegalus	LC	resident	1997	present	A3
Turati's Boubou Laniarius turatii	LC	resident	1997	present	A3
Blackcap Babbler Turdoides reinwardtii	LC	resident	1997	present	A3
Purple Starling Lamprotornis purpureus	LC	resident	1997	present	A3
Bronze-tailed Starling Lamprotornis chalcurus	LC	resident	1997	present	A3
Splendid Sunbird Cinnyris coccinigastrus	LC	resident	1997	present	A3
Lavender Waxbill Glaucestrilda coerulescens	LC	resident	1997	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2019) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2019. The most recent assessment (2022) is shown below.

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	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management planning has taken place	Some limited conservation initiatives are in place	negligible

Year	Protected Area	Designation	% overlap with IBA
2000	Rio Cacheu Mangroves	Natural Park	100
2015	Parc Naturel des Mangroves du Fleuve Cacheu (PNTC)	Ramsar Site, Wetland of International Importance	95

Habitat1	Habitat detail	% of IBA
Forest		92
Artificial/Terrestrial		4
Savanna		3

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
nature conservation and research	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rio Cacheu (Guinea-Bissau). Downloaded from https://datazone.birdlife.org/site/factsheet/rio-cacheu-iba-guinea-bissau on 22/11/2024.