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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 Rockhopper Penguin Eudyptes chrysocome	VU	breeding	1974	125,000 breeding pairs	A1, A4ii
White-faced Storm-petrel Pelagodroma marina	LC	breeding	1974	10,000 breeding pairs	A4ii
White-bellied Storm-petrel Fregetta grallaria	LC	breeding	1974	100-1,000 breeding pairs	A4ii
Atlantic Yellow-nosed Albatross Thalassarche chlororhynchos	EN	breeding	1974	5,000 breeding pairs	A1, A4ii
Sooty Albatross Phoebetria fusca	EN	breeding	1974	125-250 breeding pairs	A1, A4ii
Broad-billed Prion Pachyptila vittata	LC	breeding	1974	10,000 breeding pairs	A4ii
Soft-plumaged Petrel Pterodroma mollis	LC	breeding	1974	100-1,000 breeding pairs	A4ii
Great Shearwater Ardenna gravis	LC	breeding	1990	3,000,000 breeding pairs	A4ii
Antarctic Tern Sterna vittata	LC	breeding	1974	100-400 breeding pairs	A4i
Brown Skua Catharacta antarctica	LC	breeding	1974	100-510 breeding pairs	A4ii
Tristan Thrush Turdus eremita	NT	resident	1998	present	A1, A2
Wilkins's Finch Nesospiza wilkinsi	CR	resident	1998	present	A1, A2
Nightingale Island Finch Nesospiza questi	VU	resident	1998	present	A1, A2
A4iii Species group - seabirds	n/a	breeding	-	5,000,000-9,999,999 individuals	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

Land-use	Extent (% of site)
nature conservation and research	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Nightingale Island group. Downloaded from http://www.birdlife.org on 26/03/2023.