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'):Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
---|---|---|---|---|---|
Weka Gallirallus australis | VU | resident | - | present | A1 |
Yellow-eyed Penguin Megadyptes antipodes | EN | resident | 1932-1990 | 40-66 breeding pairs | A1, A4ii |
Sooty Shearwater Ardenna grisea | NT | breeding | 2013 | 100,000-499,999 breeding pairs | A4ii |
Stewart Island Shag Leucocarbo chalconotus | VU | breeding | 1911-2011 | 384-922 breeding pairs | A1, A4i |
A4iii Species group - seabirds | n/a | - | - | 100,000-499,999 breeding pairs | A4iii |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2014).
Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
---|---|---|---|---|
Whero Rock | Nature Reserve | 1 | protected area overlaps with site | 0 |
Nature Reserve - Bench Island | Nature Reserve | 176 | protected area overlaps with site | 176 |
Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
---|---|---|
Marine Coastal/Supratidal | - | |
Shrubland | - | |
Forest | - | |
Marine Intertidal | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Northern Titi Muttonbird Islands. Downloaded from
http://datazone.birdlife.org/site/factsheet/northern-titi-muttonbird-islands-iba-new-zealand on 28/09/2023.