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The site was identified as important in 2001 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Southern Pintail Anas eatoni	VU	resident	1999	present	A2
King Penguin Aptenodytes patagonicus	LC	breeding	1995	85,700 breeding pairs	A4ii
Macaroni Penguin Eudyptes chrysolophus	VU	breeding	1984	800,000 breeding pairs	A4ii
Southern Rockhopper Penguin Eudyptes chrysocome	VU	breeding	1984	120,000 breeding pairs	A4ii
Snowy 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	A4ii
Grey-headed Albatross Thalassarche chrysostoma	EN	breeding	-	10 breeding pairs	A1
Northern Giant Petrel Macronectes halli	LC	breeding	1984	558 breeding pairs	A1, A4ii
MacGillivray's Prion Pachyptila macgillivrayi	CR	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
A4iii Species group - seabirds	n/a	breeding	1984	930,000-1,100,000 breeding pairs	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.

Year	Protected Area	Designation	% overlap with IBA
2006	Réserve Naturelle Nationale des Terres australes françaises/Réserve Naturelle Nationale des Terres australes françaises (Périmètre de protection de la )	Réserve Naturelle Nationale	100
2008	Réserve Naturelle Nationale des Terres Australes Française	Ramsar Site, Wetland of International Importance	95

Land use	% of IBA
nature conservation and research	-
not utilised	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Île de la Possession (French Southern Territories). Downloaded from https://datazone.birdlife.org/site/factsheet/île-de-la-possession-iba-french-southern-territories on 22/11/2024.