Current view: Data table and detailed info
The site was identified as internationally important for bird conservation in 1998 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 |
African Penguin Spheniscus demersus |
CR |
resident (-) |
21,200 pairs |
A1, A4ii |
African Penguin Spheniscus demersus |
CR |
non-breeding (-) |
60,000 birds |
A1, A4ii |
Cape Gannet Morus capensis |
EN |
resident (-) |
59,000 pairs |
A1, A4ii |
Cape Gannet Morus capensis |
EN |
non-breeding (-) |
140,000 birds |
A1, A4ii |
African Oystercatcher Haematopus moquini |
LC |
resident (-) |
16–20 pairs |
A1, A4i |
African Oystercatcher Haematopus moquini |
LC |
non-breeding (-) |
40–50 birds |
A1, A4i |
Kelp Gull Larus dominicanus |
LC |
breeding (-) |
500–900 pairs |
A4i |
Kelp Gull Larus dominicanus |
LC |
non-breeding (-) |
1,000–1,950 birds |
A4i |
Roseate Tern Sterna dougallii |
LC |
breeding (-) |
180 pairs |
A4i |
Roseate Tern Sterna dougallii |
LC |
non-breeding (-) |
400 birds |
A4i |
Antarctic Tern Sterna vittata |
LC |
non-breeding (-) |
500–5,000 birds |
A4i |
A4iii Species group - seabirds |
n/a |
resident (-) |
100,000-499,999 birds |
A4iii |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1998. The most recent assessment (2014) is shown below.
IBA conservation assessment |
Year of assessment |
State |
Pressure |
Response |
2014 |
moderate |
high |
high |
Whole site assessed? |
State assessed by |
Accuracy of information |
|
yes |
habitat |
medium |
|
Year |
Protected Area |
Designation (management category) |
% coverage of IBA |
1979 |
Brenton Island (Algoa Bay) |
Unknown (-) |
<1 |
1979 |
Jahleel Island (Algoa Bay) |
Unknown (-) |
<1 |
1979 |
St. Croix Island (Algoa Bay) |
Unknown (-) |
1 |
1988 |
Bird Island
|
Other Area (II) |
1 |
1988 |
Stag Island (Algoa Bay) |
Unknown (-) |
<1 |
Habitat |
% of IBA |
Habitat detail |
Marine Coastal/Supratidal |
major (>10) |
|
Grassland |
minor (<10) |
|
Land use |
% of IBA |
nature conservation and research |
100 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Algoa Bay Islands: Addo Elephant National Park (South Africa). Downloaded from
https://datazone.birdlife.org/site/factsheet/algoa-bay-islands:-addo-elephant-national-park-iba-south-africa on 08/12/2024.