ZA039
Kosi Bay system


IBA Justification

The site was identified as important in 1998 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
Southern Banded Snake-eagle Circaetus fasciolatus NT resident 1998 present A1, A3
Mangrove Kingfisher Halcyon senegaloides LC resident 1998 present A3
Woodwards' Batis Batis fratrum LC resident 1998 present A3
Gorgeous Bush-shrike Telophorus viridis LC resident 1998 present A3
Rudd's Apalis Apalis ruddi LC resident 1998 present A2, A3
Black-bellied Starling Notopholia corusca LC resident 1998 present A3
Mouse-coloured Sunbird Cyanomitra verreauxii LC resident 1998 present A3
Pink-throated Twinspot Hypargos margaritatus LC resident 1998 present A2, A3

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1998).


IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Turtle Beaches/Coral Reefs of Tongaland Ramsar Site, Wetland of International Importance 74,641 protected area is adjacent to site 0
Kosi Bay Designation Not Known 27,441 protected area contains site 11,000
Kosi Bay Ramsar Site, Wetland of International Importance 17,335 protected area contained by site 10,982
iSimangaliso Wetland Park World Heritage Site (natural or mixed) 239,566 protected area contains site 11,000

Habitats

Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Lowland forest - mixed swamp, Mangrove -
Wetlands (inland) Riverine floodplains, Rivers & streams, Permanent herbaceous swamps and bogs, Freshwater lakes and pools -
Marine Coastal/Supratidal -
Marine Intertidal -
For more information about the IUCN Habitat classification, please click here.

Land use

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


Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Kosi Bay system. Downloaded from http://datazone.birdlife.org/site/factsheet/kosi-bay-system-iba-south-africa on 03/10/2023.