Year of most recent IBA criteria assessment: 2001Populations of IBA trigger species
|Species||Current IUCN Red List Category||Season||Year(s) of estimate||Population estimate||IBA Criteria Triggered|
|Common Tern Sterna hirundo||LC||breeding||1998||981 nests||A4i|
|Razorbill Alca torda||LC||breeding||1998||700 breeding pairs||A4ii|
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
|Protected Area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Machias Seal Island Migratory Bird Sanctuary||Migratory Bird Sanctuary||1,046||protected area contained by site||650|
|IUCN Habitat||Habitat detail||Extent (% of site)|
|Land-use||Extent (% of site)|
|nature conservation and research||-|
BirdLife International (2023) Important Bird Areas factsheet: Machias Seal Island. Downloaded from http://www.birdlife.org on 30/03/2023.