Poor Knights Islands (New Zealand) - BirdLife IBA factsheet

NZ005

Poor Knights Islands

Current view: Data table and detailed info

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
Fairy Prion Pachyptila turtur	LC	breeding	2009	35,500-100,997 breeding pairs	A4ii
Pycroft's Petrel Pterodroma pycrofti	VU	breeding	1940-2013	10-20 breeding pairs	A1
Buller's Shearwater Ardenna bulleri	VU	breeding	1981	200,000-999,999 breeding pairs	A1, A4ii
Australasian Gannet Morus serrator	LC	breeding	1946-2013	2,890-4,170 breeding pairs	A4ii
A4iii Species group - seabirds	n/a	-	-	100,000-499,999	A4iii

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

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2014. The most recent assessment (2014) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2014	not assessed	medium	not assessed
Whole site assessed?	State assessed by	Accuracy of information
no	unset	-

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	likely in long term (beyond 4 years)	some of area/population (10-49%)	moderate to rapid deterioration	medium
Pollution	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1975	Poor Knights Islands	Nature Reserve	99

Habitats

Habitat¹	Habitat detail	% of IBA
Forest		major (>10)
Marine Coastal/Supratidal		major (>10)
Shrubland		major (>10)
Marine Intertidal		minor (<10)

1. IUCN Habitat classification.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Poor Knights Islands (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/poor-knights-islands-iba-new-zealand on 23/11/2024.