SS004
Sudd (Bahr-el-Jebel system)


IBA Justification

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'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
White-faced Whistling-duck Dendrocygna viduata LC non-breeding 1979-1982 51,810 individuals A4i
Fulvous Whistling-duck Dendrocygna bicolor LC non-breeding 1979-1982 8,775 individuals A4i
Spur-winged Goose Plectropterus gambensis LC non-breeding 1979-1982 150,216 individuals A4i
Knob-billed Duck Sarkidiornis melanotos LC non-breeding 1979-1982 9,611 individuals A4i
Garganey Spatula querquedula LC winter 1979-1982 abundant A4i
Black Crowned Crane Balearica pavonina VU non-breeding 1979-1982 36,823 individuals A4i
Marabou Leptoptilos crumenifer LC non-breeding 1979-1982 359,719 individuals A4i
Yellow-billed Stork Mycteria ibis LC non-breeding 1979-1982 11,154 individuals A4i
African Openbill Anastomus lamelligerus LC non-breeding 1979-1982 344,487 individuals A4i
White Stork Ciconia ciconia LC winter 1979-1982 16,500 individuals A4i
African Woollyneck Ciconia microscelis LC non-breeding 1979-1982 2,475 individuals A4i
Saddlebill Ephippiorhynchus senegalensis LC resident 1979-1982 4,158 individuals 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 individuals A4i
Glossy Ibis Plegadis falcinellus LC non-breeding 1979-1982 1,695,240 individuals A4i
Squacco Heron Ardeola ralloides LC non-breeding 1979-1982 18,414 individuals A4i
Cattle Egret Bubulcus ibis LC non-breeding 1979-1982 172,359 individuals A4i
Goliath Heron Ardea goliath LC non-breeding 1979-1982 3,819 individuals A4i
Purple Heron Ardea purpurea LC non-breeding 1979-1982 5,049 individuals A4i
Great White Egret Ardea alba LC non-breeding 1979-1982 19,074 individuals A4i
Shoebill Balaeniceps rex VU resident 1979-1982 6,407 individuals A1, A4i
Pink-backed Pelican Pelecanus rufescens LC non-breeding 1979-1982 11,187 individuals A4i
Great White Pelican Pelecanus onocrotalus LC non-breeding 1979-1982 5,643 individuals A4i
Long-tailed Cormorant Microcarbo africanus LC non-breeding 1979-1982 8,883 individuals 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 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).


IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Zeraf Game Reserve 800,000 protected area contained by site 970,000
Sudd Ramsar Site, Wetland of International Importance 5,700,000 protected area overlaps with site 0
Shambe National Park 62,000 protected area contained by site 62,000
Fanyikang Game Reserve 48,000 protected area overlaps with site 0
Fanikang Game Reserve 48,000 protected area contained by site 48,000

Habitats

Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Ephemeral pools and wetlands, Freshwater lakes and pools, Permanent herbaceous swamps and bogs, Riverine floodplains, Rivers & streams -
Artificial/Terrestrial Arable land, Farmbush, fallow & ruderal land -
Shrubland Bushland & thicket - deciduous -
Grassland Grassland - edaphic, wet -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
nature conservation and research -
water management -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sudd (Bahr-el-Jebel system). Downloaded from https://datazone.birdlife.org/site/factsheet/sudd-(bahr-el-jebel-system)-iba-south-sudan on 21/02/2024.