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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
Black-throated Coucal Centropus leucogaster	LC	resident	1997	present	A3
Green Turaco Tauraco persa	LC	resident	1997	present	A3
Violet Turaco Musophaga violacea	LC	resident	1997	present	A3
Yellow-billed Stork Mycteria ibis	LC	breeding	1983	300 breeding pairs	A4i
Pink-backed Pelican Pelecanus rufescens	LC	non-breeding	1983	1,250 individuals	A4i
African Darter Anhinga rufa	LC	breeding	1983	300 breeding pairs	A4i
Grey Plover Pluvialis squatarola	VU	winter	-	9,800 individuals	A4i
Common Ringed Plover Charadrius hiaticula	LC	winter	-	13,400 individuals	A4i
Kentish Plover Charadrius alexandrinus	LC	winter	-	6,400 individuals	A4i
Whimbrel Numenius phaeopus	LC	winter	-	13,900 individuals	A4i
Bar-tailed Godwit Limosa lapponica	NT	winter	-	28,200 individuals	A4i
Ruddy Turnstone Arenaria interpres	NT	winter	-	1,200 individuals	A4i
Red Knot Calidris canutus	NT	winter	-	40,600 individuals	A4i
Curlew Sandpiper Calidris ferruginea	VU	winter	-	25,200 individuals	A4i
Little Stint Calidris minuta	LC	winter	-	13,600 individuals	A4i
Common Redshank Tringa totanus	LC	winter	-	4,700 individuals	A4i
West African Pied Hornbill Lophoceros semifasciatus	LC	resident	1997	present	A3
Yellow-casqued Hornbill Ceratogymna elata	VU	resident	1997	present	A1, A3
Red-throated Bee-eater Merops bulocki	LC	resident	1997	present	A3
Spotted Honeyguide Indicator maculatus	LC	resident	1997	present	A3
Little Green Woodpecker Campethera maculosa	LC	resident	1997	present	A3
Buff-spotted Woodpecker Pardipicus nivosus	LC	resident	1997	present	A3
Senegal Parrot Poicephalus senegalus	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
Yellow-billed Shrike Lanius corvinus	LC	resident	1997	present	A3
Piapiac Ptilostomus afer	LC	resident	1997	present	A3
Western Nicator Nicator chloris	LC	resident	1997	present	A3
Grey-headed Bristlebill Bleda canicapillus	LC	resident	1997	present	A3
Spotted Greenbul Ixonotus guttatus	LC	resident	1997	present	A3
Honeyguide Greenbul Baeopogon indicator	LC	resident	1997	present	A3
Western Bearded Greenbul Criniger barbatus	LC	resident	1997	present	A3
Red-tailed Greenbul Criniger calurus	LC	resident	1997	present	A3
Blackcap Babbler Turdoides reinwardtii	LC	resident	1997	present	A3
Bronze-tailed Starling Lamprotornis chalcurus	LC	resident	1997	present	A3
White-crowned Robin-chat Cossypha albicapillus	LC	resident	1997	present	A3
White-fronted Black-chat Oenanthe albifrons	LC	resident	1997	present	A3
Yellow-chinned Sunbird Anthreptes rectirostris	LC	resident	1997	present	A3
Chestnut-and-black Weaver Ploceus castaneofuscus	LC	resident	1997	present	A3
Blue-billed Malimbe Malimbus nitens	LC	resident	1997	present	A3
Red-headed Malimbe Malimbus rubricollis	LC	resident	1997	present	A3
Lavender Waxbill Glaucestrilda coerulescens	LC	resident	1997	present	A3
Chestnut-breasted Nigrita Nigrita bicolor	LC	resident	1997	present	A3
Sahel Bush-sparrow Gymnoris dentata	LC	resident	1997	present	A3
A4iii Species group - waterbirds	n/a	non-breeding	-	100,000-499,999 individuals	A4iii

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

Year	Protected Area	Designation	% overlap with IBA
1980	Cantanhez Forest	Hunting Reserve	11

Habitat1	Habitat detail	% of IBA
Forest		84
Artificial/Terrestrial		8
Unknown		6

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rio Tombali, Rio Cumbijã and Ilha de Melo (Guinea-Bissau). Downloaded from https://datazone.birdlife.org/site/factsheet/rio-tombali-rio-cumbijã-and-ilha-de-melo-iba-guinea-bissau on 22/11/2024.