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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
Yellow-eyed Penguin Megadyptes antipodes	EN	breeding	2012	min 43 adults	A1, A4ii
Stewart Island Shag Leucocarbo chalconotus	VU	breeding	-	101-125 breeding pairs	A1, A4i

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

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.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	no or imperceptible deterioration	low
Human intrusions and disturbance	likely in short term (within 4 years)	small area/few individuals (<10%)	slow but significant 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

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

1. IUCN Habitat classification.


Ruapuke and the neighbouring islands are Maori-owned

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