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 IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| White-faced Storm-petrel Pelagodroma marina | LC | breeding (1994) | 1,680,000 mature individuals | A4ii |
| Northern Royal Albatross Diomedea sanfordi | EN | breeding (2002) | 11,600 mature individuals | A1, A4ii |
| Buller's Albatross Thalassarche bulleri | NT | breeding (1994–2002) | 36,300 mature individuals | A1, A4ii |
| Chatham Albatross Thalassarche eremita | VU | resident (1997–1999) | 9,150 mature individuals | A1, A4ii |
| Northern Giant Petrel Macronectes halli | LC | breeding (1993) | 4,000 mature individuals | A4ii |
| Broad-billed Prion Pachyptila vittata | LC | breeding (1960–1989) | 352,000–1,000,000 mature individuals | A4ii |
| Chatham Islands Petrel Pterodroma axillaris | VU | breeding (1991–2014) | 1,100 mature individuals | A1, A4i |
| Magenta Petrel Pterodroma magentae | CR | breeding (1978–2014) | 80–100 mature individuals | A1, A4ii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 2001 | 4C2 d | Closed Seamount Area (VI) | <1 |
| 2007 | East Chatham Rise | Benthic Protection Area (VI) | 3 |
| 2007 | Blink | Benthic Protection Area (VI) | <1 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Neritic | 100 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Chatham (offshore) (New Zealand). Downloaded from
https://datazone.birdlife.org/site/factsheet/chatham-(offshore)-iba-new-zealand on 12/01/2025.