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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
White-faced Whistling-duck Dendrocygna viduata	LC	non-breeding (1979–1982)	51,810 birds	A4i
Fulvous Whistling-duck Dendrocygna bicolor	LC	non-breeding (1979–1982)	8,775 birds	A4i
Spur-winged Goose Plectropterus gambensis	LC	non-breeding (1979–1982)	150,216 birds	A4i
Knob-billed Duck Sarkidiornis melanotos	LC	non-breeding (1979–1982)	9,611 birds	A4i
Garganey Spatula querquedula	LC	winter (1979–1982)	abundant	A4i
Black Crowned Crane Balearica pavonina	VU	non-breeding (1979–1982)	36,823 birds	A4i
Marabou Stork Leptoptilos crumenifer	LC	non-breeding (1979–1982)	359,719 birds	A4i
Yellow-billed Stork Mycteria ibis	LC	non-breeding (1979–1982)	11,154 birds	A4i
African Openbill Anastomus lamelligerus	LC	non-breeding (1979–1982)	344,487 birds	A4i
White Stork Ciconia ciconia	LC	winter (1979–1982)	16,500 birds	A4i
African Woollyneck Ciconia microscelis	LC	non-breeding (1979–1982)	2,475 birds	A4i
Saddle-billed Stork Ephippiorhynchus senegalensis	LC	resident (1979–1982)	4,158 birds	A4i
African Spoonbill Platalea alba	LC	winter (1979–1982)	abundant	A4i
Eurasian Spoonbill Platalea leucorodia	LC	non-breeding (1979–1982)	abundant	A4i
African Sacred Ibis Threskiornis aethiopicus	LC	non-breeding (1979–1982)	17,688 birds	A4i
Glossy Ibis Plegadis falcinellus	LC	non-breeding (1979–1982)	1,695,240 birds	A4i
Squacco Heron Ardeola ralloides	LC	non-breeding (1979–1982)	18,414 birds	A4i
Cattle Egret Bubulcus ibis	LC	non-breeding (1979–1982)	172,359 birds	A4i
Goliath Heron Ardea goliath	LC	non-breeding (1979–1982)	3,819 birds	A4i
Purple Heron Ardea purpurea	LC	non-breeding (1979–1982)	5,049 birds	A4i
Great White Egret Ardea alba	LC	non-breeding (1979–1982)	19,074 birds	A4i
Shoebill Balaeniceps rex	VU	resident (1979–1982)	6,407 birds	A1, A4i
Pink-backed Pelican Pelecanus rufescens	LC	non-breeding (1979–1982)	11,187 birds	A4i
Great White Pelican Pelecanus onocrotalus	LC	non-breeding (1979–1982)	5,643 birds	A4i
Long-tailed Cormorant Microcarbo africanus	LC	non-breeding (1979–1982)	8,883 birds	A4i
Caspian Plover Charadrius asiaticus	LC	winter (1979–1982)	abundant	A4i
Ruff Calidris pugnax	LC	winter (1979–1982)	abundant	A4i
Common Sandpiper Actitis hypoleucos	LC	winter (1979–1982)	abundant	A4i
Spotted Redshank Tringa erythropus	LC	winter (1979–1982)	common	A4i
Marsh Sandpiper Tringa stagnatilis	LC	winter (1979–1982)	abundant	A4i
White-winged Tern Chlidonias leucopterus	LC	winter (1979–1982)	abundant	A4i
Red-throated Bee-eater Merops bulocki	LC	resident (1979–1982)	present	A3
Black-breasted Barbet Pogonornis rolleti	LC	resident (1979–1982)	present	A3
Fox Kestrel Falco alopex	LC	resident (1979–1982)	present	A3
Emin's Shrike Lanius gubernator	LC	resident (1979–1982)	present	A3
Yellow-billed Shrike Lanius corvinus	LC	resident (1979–1982)	present	A3
Piapiac Ptilostomus afer	LC	resident (1979–1982)	present	A3
Sun Lark Galerida modesta	LC	resident (1979–1982)	present	A3
Red-winged Grey Warbler Drymocichla incana	LC	resident (1979–1982)	present	A3
Red-pate Cisticola Cisticola ruficeps	LC	resident (1979–1982)	present	A3
Foxy Cisticola Cisticola troglodytes	LC	resident (1979–1982)	present	A3
Purple Starling Lamprotornis purpureus	LC	resident (1979–1982)	present	A3
Bronze-tailed Starling Lamprotornis chalcurus	LC	resident (1979–1982)	present	A3
White-fronted Black-chat Oenanthe albifrons	LC	resident (1979–1982)	present	A3
Chestnut-crowned Sparrow-Weaver Plocepasser superciliosus	LC	resident (1979–1982)	present	A3
Cinnamon Weaver Ploceus badius	LC	resident (1979–1982)	present	A3
Black-bellied Firefinch Lagonosticta rara	LC	resident (1979–1982)	present	A3
Red-winged Pytilia Pytilia phoenicoptera	LC	resident (1979–1982)	present	A3
Black-rumped Waxbill Estrilda troglodytes	LC	resident (1979–1982)	present	A3
Sahel Bush-sparrow Gymnoris dentata	LC	resident (1979–1982)	present	A3
A4iii Species group - waterbirds	n/a	non-breeding (1979–1982)	2,500,000-4,999,999 birds	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
1935	Fanikang	Game Reserve (VI)	1
1939	Zeraf	Game Reserve (VI)	18
1939	Fanyikang	Game Reserve (VI)	1
1985	Shambe	National Park (II)	1

Habitat	% of IBA	Habitat detail
Wetlands (inland)	47	Ephemeral pools and wetlands; Freshwater lakes and pools; Permanent herbaceous swamps and bogs; Riverine floodplains; Rivers & streams
Grassland	43	Grassland - edaphic, wet
Shrubland	8	Bushland & thicket - deciduous
Artificial/Terrestrial	2	Arable land; Farmbush, fallow & ruderal land

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sudd (Bahr-el-Jebel system) (South Sudan). Downloaded from https://datazone.birdlife.org/site/factsheet/sudd-(bahr-el-jebel-system)-iba-south-sudan on 23/12/2024.