Île de la Possession

IBA Criteria

Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Southern Pintail Anas eatoni VU resident 1999 present A1, A2
King Penguin Aptenodytes patagonicus LC breeding 1995 85,700 breeding pairs A4ii
Macaroni Penguin Eudyptes chrysolophus VU breeding 1984 800,000 breeding pairs A1, A4ii
Southern Rockhopper Penguin Eudyptes chrysocome VU breeding 1984 120,000 breeding pairs A1, A4ii
Wandering Albatross Diomedea exulans VU breeding 1999 373 breeding pairs A1, A4ii
Sooty Albatross Phoebetria fusca EN breeding 1984 650 breeding pairs A1, A4ii
Light-mantled Albatross Phoebetria palpebrata NT breeding 1984 1,150 breeding pairs A1, A4ii
Grey-headed Albatross Thalassarche chrysostoma EN breeding - present A1
Northern Giant Petrel Macronectes halli LC breeding 1984 558 breeding pairs A1, A4ii
MacGillivray's Prion Pachyptila macgillivrayi EN breeding 1984 20,000-90,000 breeding pairs A4ii
Kerguelen Petrel Aphrodroma brevirostris LC breeding 1984 2,000-9,000 breeding pairs A4ii
Soft-plumaged Petrel Pterodroma mollis LC breeding 1984 2,000-9,000 breeding pairs A4ii
South Georgia Diving-petrel Pelecanoides georgicus LC breeding 1984 20,000-90,000 breeding pairs A4ii
Imperial Shag Leucocarbo atriceps LC breeding 1984 296 breeding pairs A4i
Kerguelen Tern Sterna virgata NT breeding 1984 38 breeding pairs A1, A4i

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)
Réserve Naturelle Nationale des Terres australes françaises/Réserve Naturelle Nationale des Terres australes françaises (Périmètre de protection de la ) Réserve Naturelle Nationale 166,277,389 protected area contains site 0
Réserve Naturelle Nationale des Terres Australes Française Ramsar Site, Wetland of International Importance 2,270,000 protected area overlaps with site 0

Land use

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

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Île de la Possession. Downloaded from on 04/06/2020.