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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	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 pairs	A1, A4i

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 popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Invasive and other problematic species and genes	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low
Human intrusions and disturbance	likely in short term (<4 years)	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

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

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 23/12/2024.