IBA Criteria

Year of most recent IBA criteria assessment: 2014

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Yellow-eyed Penguin Megadyptes antipodes EN breeding 2012 min 43 adults A1, A4ii
Stewart Shag Leucocarbo chalconotus VU breeding - 101-125 breeding pairs A1, A4i

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IUCN Habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Shrubland -
Forest -
Wetlands (inland) -
Introduced vegetation -
Marine Intertidal -
For further information about the habitat classification please click here.

Land ownership

Ruapuke and the neighbouring islands are Maori-owned

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Ruapuke. Downloaded from on 13/08/2022.