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 |
|---|---|---|---|---|
| Brown Teal Anas chlorotis | NT | resident (2012) | 35–40 birds | A1, A4i |
| Grey-faced Petrel Pterodroma gouldi | LC | breeding (1973) | 32,483–146,554 nests | A4ii |
| Flesh-footed Shearwater Ardenna carneipes | NT | breeding (1934–2010) | 2,561–4,070 nests | A4ii |
| Australasian Bittern Botaurus poiciloptilus | VU | resident (-) | present | A1 |
| Australasian Gannet Morus serrator | LC | breeding (1912–1980) | 2,748–6,793 pairs | A4ii |
| New Zealand Kaka Nestor meridionalis | VU | resident (-) | present | A1 |
| Malherbe's Parakeet Cyanoramphus malherbi | CR | resident (-) | present | A1 |
| A4iii Species group - seabirds | n/a | - (-) | 37,800–157,500 pairs | A4iii |
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 | low | 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 |
| Pollution | happening now | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Biological resource use | likely in long term (>4 years) | some of population/area (10–49%) | no or slight decline (<1% over 3 generations) | low |
| Geological events | likely in long term (>4 years) | some of population/area (10–49%) | no or slight decline (<1% over 3 generations) | low |
| 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 |
|---|---|---|---|
| 1913 | Tuhua (Mayor) Island | Wildlife Refuge (IV) | 70 |
| 1953 | White Island Scenic Reserve - PPL | Scenic Reserve (IV) | 17 |
| 1964 | Motunau (Plate) Island | Wildlife Sanctuary (IV) | <1 |
| 1969 | Rurima Islands | Wildlife Refuge (IV) | <1 |
| 1972 | Karewa Island Wildlife Sanctuary | Government Purpose Reserve (-) | <1 |
| 1974 | Motuotau Island | Scenic Reserve (III) | <1 |
| 1991 | Moutohora (Whale Island) | Government Purpose Reserve (-) | 14 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | major (>10) | |
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Shrubland | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bay of Plenty Islands (New Zealand). Downloaded from
https://datazone.birdlife.org/site/factsheet/bay-of-plenty-islands-iba-new-zealand on 26/12/2024.