Data Zone
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 |
|---|---|---|---|---|
| Snares Penguin Eudyptes robustus | VU | breeding (1976–1985) | 3,234–6,531 pairs | A1, A4ii |
| Salvin's Albatross Thalassarche salvini | VU | breeding (1976–2014) | 1,014–1,336 pairs | A1, A4ii |
| A4iii Species group - seabirds | n/a | - (-) | 10,000-19,999 pairs | A4iii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1961 | Snares Islands | Nature Reserve (Ia) | 100 |
| 1998 | New Zealand Sub-Antarctic Islands | World Heritage Site (natural or mixed) (UA) | 100 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Grassland | minor (<10) | Tussock grasslands |
| Marine Intertidal | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Western Chain (New Zealand). Downloaded from
https://datazone.birdlife.org/site/factsheet/western-chain-iba-new-zealand on 26/12/2024.