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 |
---|---|---|---|---|
Chatham Islands Pigeon Hemiphaga chathamensis | VU | resident (2015) | min 150 birds | A1 |
Chatham Islands Petrel Pterodroma axillaris | VU | breeding (2012–2015) | 2 pairs | A1 |
Magenta Petrel Pterodroma magentae | CR | breeding (1978–2015) | 17–33 pairs | A1, A4ii |
Chatham Islands Shag Leucocarbo onslowi | CR | resident (1997–2011) | 4–7 nests | A1, A4i |
Pitt Island Shag Phalacrocorax featherstoni | EN | resident (1987–2011) | 34–57 nests | A1, A4i |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2014. The most recent assessment (2014) is shown below.
IBA conservation assessment | |||
---|---|---|---|
Year of assessment | State | Pressure | Response |
2014 | not assessed | medium | not assessed |
Whole site assessed? | State assessed by | Accuracy of information | |
no | unset | - |
Pressure (threats to the trigger species and/or their habitats) | ||||
---|---|---|---|---|
Threat | Timing | Scope | Severity | Result |
Invasive and other problematic species and genes | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
Response (conservation actions taken for the trigger species and/or their habitats) | |||
---|---|---|---|
Designation | Planning | Action | Result |
Not assessed | Not assessed | Not assessed | not assessed |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
1988 | Tuku | Nature Reserve (Ia) | 9 |
1999 | Awatotara Manuel & Evelyn Tuanui Family | Conservation Covenant (IV) | 1 |
1999 | Tuku | Conservation Covenant (IV) | <1 |
2001 | Franks Bush | Conservation Covenant (IV) | <1 |
2001 | Otauwe Points | Conservation Covenant (IV) | <1 |
2003 | Waterfall Bush | Conservation Covenant (IV) | <1 |
2003 | Kiringe Bush | Conservation Covenant (IV) | <1 |
2003 | Sweetwater | Conservation Covenant (IV) | <1 |
2003 | Waterfall Coast | Conservation Covenant (IV) | <1 |
2011 | South Chathams | Conservation Covenant (IV) | 9 |
Habitat | % of IBA | Habitat detail |
---|---|---|
Forest | major (>10) | |
Grassland | major (>10) | |
Marine Coastal/Supratidal | major (>10) | |
Shrubland | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tuku (New Zealand). Downloaded from
https://datazone.birdlife.org/site/factsheet/tuku-iba-new-zealand on 24/12/2024.