Data Zone
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).
| 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 |
| 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 | - |
| 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 02/10/2023.
