NZM025
Chatham Islands (nearshore)


IBA Justification

The site was identified as important in 2014 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
White-faced Storm-petrel Pelagodroma marina LC breeding 1994 1,680,000 mature individuals A4ii
Northern Royal Albatross Diomedea sanfordi EN breeding 2002 11,600 mature individuals A1, A4ii
Buller's Albatross Thalassarche bulleri NT breeding 1994-2002 36,300 mature individuals A1, A4ii
Chatham Albatross Thalassarche eremita VU breeding 2001 9,150 mature individuals A1, A4ii
Northern Giant Petrel Macronectes halli LC breeding 1993 4,000 mature individuals A4ii
Broad-billed Prion Pachyptila vittata LC breeding 1960-1989 352,000-1,000,000 mature individuals A4ii
Chatham Islands Petrel Pterodroma axillaris VU breeding 1991-2014 675-2,000 mature individuals A1, A4ii
Magenta Petrel Pterodroma magentae CR breeding 1978-2014 80-100 mature individuals A1, A4ii
Chatham Islands Shag Leucocarbo onslowi CR resident 1961-2011 890 mature individuals A1, A4i
Pitt Island Shag Phalacrocorax featherstoni EN resident 1961-2011 1,118-1,218 mature individuals A1, A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1977 Mangere Island Nature Reserve <1
1987 Waipaua Stewardship Area <1
1993 Rangiauria Scenic Reserve <1
1999 Ocean Mail Scenic Reserve <1
2001 Otauwe Points Conservation Covenant <1
2004 Rangitihi Conservation Covenant <1
2007 Point Munning Conservation Covenant <1
2008 Cannon - Peirce Scenic Reserve <1
2009 Maunganui Bluff Conservation Covenant <1


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Chatham Islands (nearshore) (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/chatham-islands-(nearshore)-iba-new-zealand on 22/11/2024.