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Year of most recent IBA criteria assessment: 2014

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
White-faced Storm-petrel Pelagodroma marina	LC	breeding	1994	840,000 breeding pairs	A4ii
Broad-billed Prion Pachyptila vittata	LC	breeding	1960-1994	176,000-499,999 breeding pairs	A4ii
Chatham Petrel Pterodroma axillaris	VU	breeding	1991-2010	335-1,000 breeding pairs	A1, A4ii
Pitt Shag Phalacrocorax featherstoni	EN	breeding	1961-2003	39-63 nests	A1, A4i
Chatham Oystercatcher Haematopus chathamensis	EN	resident	2009	3 breeding pairs	A1, A4i
Chatham Snipe Coenocorypha pusilla	VU	resident	1996	700-800 breeding pairs	A1, A4i
Black Robin Petroica traversi	VU	breeding	2008-2009	103-128 individuals	A1
A4iii Species group - seabirds	n/a	breeding	-	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

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Rangatira	Nature Reserve	221	protected area contained by site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Marine Coastal/Supratidal		-
Shrubland		-
Forest		-
Marine Intertidal		-

For further information about the habitat classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Rangatira South East Island. Downloaded from http://www.birdlife.org on 15/08/2022.