Southwest Bylot

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
Snow Goose Anser caerulescens LC non-breeding 1993 156,000 individuals A4i
Ivory Gull Pagophila eburnea NT non-breeding 1994 75 individuals A1, A4i
Thick-billed Murre Uria lomvia LC breeding 1975 420,000 breeding pairs A4ii
A4iii Species group - seabirds n/a breeding 1975 100,000-499,999 breeding pairs 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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Tallurutiup Imanga (Lancaster Sound) National Marine Conservation Area National Marine Conservation Area 10,900,000 protected area overlaps with site 0
Sirmilik National Park Of Canada National Park 2,220,000 protected area overlaps with site 110,000
Bylot Island Migratory Bird Sanctuary Migratory Bird Sanctuary 1,282,731 protected area contains site 140,000


IUCN Habitat Habitat detail Extent (% of site)
Grassland Tundra -
Coastline Rocky flats & barrens -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Southwest Bylot. Downloaded from on 08/05/2021.