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Location French Southern Territories, Îles Kerguelen
Central coordinates 69o 15.00' East  49o 0.00' South
IBA criteria A1, A2, A4ii, A4iii
Area 48,000 ha
Altitude 0 - 687m
Year of IBA assessment 2001

Site description The islands are located between the Loranchet and Joffre peninsulas of Grande Terre, just off its central north-western shore. The site comprises three large islands (Île Foch, the largest, Île Sainte Lanne Gramont and Île Howe) as well as several smaller ones (Île MacMurdo, Île Briand, Îles Dayman and Îlots Hallet). The landscape is rugged, consisting of coastal cliffs and rocky ridges inland, cut across by fjords and valleys. The site is free of introduced mammals, with the exception of Île Howe where rabbits occur. Other than Île Howe, the site’s vegetation is well preserved and more dense than on Grande Terre.

Key Biodiversity See Box for key species. At least 29 species breed. Populations of petrels are thought to be large due the absence of introduced mammals, but data are incomplete. Île Sainte Lanne Gramont, in particular, is poorly known. Large populations of penguins also occur, with over 3,000 pairs of Pygoscelis papua and 18,500 pairs of Eudyptes chrysocome. Twenty pairs of Diomedea exulans breed on Île Howe (1989 data) as do several tens of pairs of Pachyptila turtur. Pelecanoides georgicus is also common. It is possible that numbers of breeding Phoebetria palpebrata, Pterodroma brevirostris, P. mollis, Pachyptila desolata, Procellaria aequinoctialis, Fregetta tropica Pelecanoides urinatrix, Phalacrocorax verrucosus, Anas eatoni and Sterna virgata exceed thresholds, but quantitative data are lacking.

Non-bird biodiversity: The mammals Mirounga leonina and Arctocephalus gazella breed.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Southern Pintail Anas eatoni resident  1989  present  A2  Vulnerable 
Gentoo Penguin Pygoscelis papua breeding  1989  3,000-4,000 breeding pairs  A1, A4ii  Near Threatened 
Wandering Albatross Diomedea exulans breeding  present  A1  Vulnerable 
Northern Giant Petrel Macronectes halli breeding  present  A1  Least Concern 
Kerguelen Tern Sterna virgata breeding  present  A1  Near Threatened 

Land use

Land-use Extent (% of site)
nature conservation and research -
not utilised -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Île Foch, Île Sainte Lanne Gramont and Île Howe. Downloaded from on 26/10/2016

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