Grand Manan Archipelago

IBA Criteria

Year of most recent IBA criteria assessment: 2008

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Brent Goose Branta bernicla LC passage 1997 10,000 individuals A4i
Purple Sandpiper Calidris maritima LC winter 1998 350 individuals A4i
Bonaparte's Gull Larus philadelphia LC winter 1998 6,000 individuals A4i
Arctic Herring Gull Larus smithsonianus LC winter 1998 5,500 individuals A4i
Razorbill Alca torda LC winter 1998 52,000 individuals A4ii
A4iii Species group - waterbirds n/a non-breeding 1998-1999 20,000-49,999 individuals A4iii

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

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Western Green Island Protected Natural Area 2 protected area contained by site 0
North And South Green Islands Protected Natural Area 5 protected area contained by site 0
High Duck Island Protected Natural Area 9 protected area contained by site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Boreal mixed woods, Boreal coniferous forest -
Shrubland Scrub -
Grassland Steppe & dry calcareous grassland -
Wetlands (inland) Salt/brackish marshes, Intertidal mud, sand or salt flats -
Sea Sea inlets, Open sea -
Coastline Sea cliffs and rocky shores -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
fisheries/aquaculture -
hunting -
tourism/recreation -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Grand Manan Archipelago. Downloaded from on 08/08/2022.