NZ004
Manawatawhi Three Kings Islands


IBA Justification

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
Buller's Albatross Thalassarche bulleri NT breeding (1983–1985) 11–15 pairs A1
Australasian Gannet Morus serrator LC breeding (1946–1980) 12,575–15,359 pairs A4ii
Silver Gull Larus novaehollandiae LC breeding (1985–1986) 16,667–49,999 pairs A4i
A4iii Species group - seabirds n/a - (-) 10,000-19,999 A4iii
A4iii Species group - waterbirds n/a - (-) 20,000-49,999 A4iii

IBA Conservation

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 likely in long term (>4 years) some of popul­ation/area (10–49%) moderate decline (10–30% over 3 gener­ations) medium
Pollution happe­ning now few indivi­duals/small area (<10%) 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

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1956 Three Kings Islands Nature Reserve (Ia) 100

Habitats

Habitat % of IBA Habitat detail
Forest major (>10)
Marine Coastal/Supratidal major (>10)
Marine Intertidal major (>10)
Rocky areas (eg. inland cliffs, mountain peaks) major (>10)
Shrubland major (>10)

Land ownership




Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Manawatawhi Three Kings Islands (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/manawatawhi-three-kings-islands-iba-new-zealand on 28/12/2024.