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• Text account
• Data table and detailed info
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• Reference and further resources

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	resident	1997-1999	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	1,100 mature individuals	A1, A4i
Magenta Petrel Pterodroma magentae	CR	breeding	1978-2014	80-100 mature individuals	A1, A4ii

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

Year	Protected Area	Designation	% overlap with IBA
2001	4C2 d	Closed Seamount Area	<1
2007	East Chatham Rise	Benthic Protection Area	3
2007	Blink	Benthic Protection Area	<1

Habitat1	Habitat detail	% of IBA
Marine Neritic		100

1. IUCN Habitat classification.

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