The site was identified as important in 2015 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 List1 | Season | Year(s) | Size | IBA criteria |
---|---|---|---|---|---|
Chinstrap Penguin Pygoscelis antarcticus | LC | breeding | 1983 | 28,100 breeding pairs | A4ii |
Southern Giant Petrel Macronectes giganteus | LC | breeding | 1982-1983 | 613 breeding pairs | A4ii |
Imperial Shag Leucocarbo atriceps | LC | breeding | 1988 | 144 breeding pairs | A4i |
A4iii Species group - seabirds | n/a | breeding | 1982-1988 | 45,607 breeding pairs | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2015) may differ.
Year | Protected Area | Designation | % overlap with IBA |
---|---|---|---|
1966 | Southern Powell Island and adjacent Islands | Specially Protected Area | 76 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Southern Powell Island and adjacent islands (Antarctica). Downloaded from
https://datazone.birdlife.org/site/factsheet/southern-powell-island-and-adjacent-islands-iba-antarctica on 22/11/2024.