Data Zone
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 |
|---|---|---|---|---|---|
| Adelie Penguin Pygoscelis adeliae | LC | breeding | 2013 | 77,515 breeding pairs | A4ii |
| Imperial Shag Leucocarbo atriceps | LC | breeding | 2013 | 302 breeding pairs | A4i |
| South Polar Skua Catharacta maccormicki | LC | breeding | 2004 | 880 breeding pairs | A4ii |
| A4iii Species group - seabirds | n/a | breeding | 2004-2013 | 78,697 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 |
|---|---|---|---|
| 1991 | Avian Island, off S. coast Adelaide I., Ant. Pen. | Specially Protected Area | 71 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Avian Island (Antarctica). Downloaded from
https://datazone.birdlife.org/site/factsheet/avian-island-iba-antarctica on 28/11/2024.