The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):
||Current IUCN Red List Category
||Population estimate at site
||IBA criteria met
|Great Skua Catharacta skua
||269 breeding pairs
||A4ii, B1ii, B3, C3
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).
|IBA conservation assessment
|Year of assessment (most recent)
|Was the whole site assessed?
||State assessed by
||Accuracy of information
For more information about IBA conservation status, please click here
|Protected area (PA)
||PA area (ha)
||Relationship of PA with IBA
||Overlap of PA with IBA (ha)
||Special Protection Area (Birds Directive)
||protected area is adjacent to site
||Marine Protected Area (OSPAR)
||protected area overlaps with site
For more information about the IUCN Habitat classification, please click here
||Extent (% of site)
BirdLife International (2023) Important Bird Area factsheet: South Bressay. Downloaded from
http://datazone.birdlife.org/site/factsheet/south-bressay-iba-united-kingdom on 30/09/2023.