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') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Snares Penguin Eudyptes robustus | VU | breeding | 1976-1985 | 3,234-6,531 breeding pairs | A1, A4ii |
| Salvin's Albatross Thalassarche salvini | VU | breeding | 1976-2014 | 1,014-1,336 breeding pairs | A1, A4ii |
| A4iii Species group - seabirds | n/a | - | - | 10,000-19,999 breeding pairs | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1961 | Snares Islands | Nature Reserve | 100 |
| 1998 | New Zealand Sub-Antarctic Islands | World Heritage Site (natural or mixed) | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Grassland | Tussock grasslands | minor (<10) |
| 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 22/11/2024.