Data Zone
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 |
|---|---|---|---|---|---|
| White-faced Storm-petrel Pelagodroma marina | LC | breeding | 1994 | 840,000 breeding pairs | A4ii |
| Broad-billed Prion Pachyptila vittata | LC | breeding | 1960-1994 | 176,000-499,999 breeding pairs | A4ii |
| Chatham Islands Petrel Pterodroma axillaris | VU | breeding | 1991-2010 | 335-1,000 breeding pairs | A1, A4ii |
| Pitt Island Shag Phalacrocorax featherstoni | EN | breeding | 1961-2003 | 39-63 nests | A1, A4i |
| Chatham Islands Oystercatcher Haematopus chathamensis | EN | resident | 2009 | 3 breeding pairs | A1, A4i |
| Chatham Islands Snipe Coenocorypha pusilla | VU | resident | 1996 | 700-800 breeding pairs | A1, A4i |
| Black Robin Petroica traversi | VU | breeding | 2008-2009 | 103-128 individuals | A1 |
| A4iii Species group - seabirds | n/a | breeding | - | 1,000,000-2,499,999 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) |
|---|---|---|---|---|
| Rangatira | Nature Reserve | 221 | protected area contained by site | 0 |
| 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: Rangatira South East Island. Downloaded from
http://datazone.birdlife.org/site/factsheet/rangatira-south-east-island-iba-new-zealand on 22/09/2023.
