New Island Group

IBA Criteria

Year of most recent IBA criteria assessment: 2006

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Ruddy-headed Goose Chloephaga rubidiceps LC breeding 2005 3 breeding pairs A2
Falkland Steamerduck Tachyeres brachypterus LC breeding 2005 abundant A2
Gentoo Penguin Pygoscelis papua LC breeding 2005 6,648 breeding pairs A1, A4ii
Magellanic Penguin Spheniscus magellanicus LC breeding 2005 2,500-9,999 breeding pairs A1
Southern Rockhopper Penguin Eudyptes chrysocome VU breeding 2005 13,450 breeding pairs A1
Black-browed Albatross Thalassarche melanophris LC breeding 2005 29,000 breeding pairs A1, A4ii
Slender-billed Prion Pachyptila belcheri LC breeding 2005 2,500,000-4,999,999 breeding pairs A4ii
White-chinned Petrel Procellaria aequinoctialis VU breeding 2005 < 50 breeding pairs A1
Imperial Shag Leucocarbo atriceps LC breeding 2005 2,500-9,999 breeding pairs A4i
Striated Caracara Phalcoboenus australis NT breeding 2005 < 50 breeding pairs A1, A2
Blackish Cinclodes Cinclodes antarcticus NT breeding 2005 10 breeding pairs A2
Cobb's Wren Troglodytes cobbi LC breeding 2005 present A1, A2
White-bridled Finch Melanodera melanodera LC breeding 1999 present A2
A4iii Species group - seabirds n/a breeding 2005 1,000,000-2,499,999 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

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
New Island South Nature Reserve 607 protected area overlaps with site 1,181


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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: New Island Group. Downloaded from on 01/07/2022.