Norfolk Island


IBA Justification

The site was identified as important in 2009 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
Red-tailed Tropicbird Phaethon rubricauda LC resident 1978-1979 200 breeding pairs A4ii
Wedge-tailed Shearwater Ardenna pacifica LC breeding 1978-2008 10,000-100,000 individuals A4ii
Red-fronted Parakeet Cyanoramphus novaezelandiae LC resident 2007-2008 50-400 individuals A1
Norfolk Island Gerygone Gerygone modesta LC resident 2000 1,500 breeding pairs A1, A2
White-chested White-eye Zosterops albogularis EX resident 2000 10 breeding pairs A1, A2
Slender-billed White-eye Zosterops tenuirostris VU resident 2000-2008 1,000 breeding pairs A1, A2
A4iii Species group - seabirds n/a breeding 1978-2008 10,000-100,000 individuals A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2016) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2016 not assessed high 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 majority/most of area/population (50-90%) moderate to rapid deterioration high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation % overlap with IBA
1993 Norfolk Island (Mt Pitt) National Park (Commonwealth) 13
1993 Norfolk Island Botanic Gardens (Commonwealth) <1
2012 Norfolk Commonwealth Marine Reserve 6

Habitats

Habitat1 Habitat detail % of IBA
Artificial/Terrestrial Improved grassland & pasture, Other urban & industrial areas, Perennial crops, orchards & groves major (>10)
Forest Other forests & woodlands, Rainforest & vine thickets major (>10)
Introduced vegetation major (>10)
Marine Coastal/Supratidal minor (<10)
Marine Intertidal minor (<10)
1. IUCN Habitat classification.

Land use

Land use % of IBA
rangeland/pastureland major (>10)
urban/industrial/transport major (>10)
nature conservation and research major (>10)
agriculture minor (<10)

Land ownership
A mix of private (freehold and leasehold land) and Commonwealth/Federal government (managed by Parks Australia).


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Norfolk Island (Norfolk Island (to Australia)). Downloaded from https://datazone.birdlife.org/site/factsheet/norfolk-island-iba-norfolk-island-(to-australia) on 22/11/2024.