Norfolk Island (Norfolk Island (to Australia)) IBA | Details

Norfolk Island

Current view: Data table and detailed info

IBA Justification

The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Red-tailed Tropicbird Phaethon rubricauda	LC	resident (1978–1979)	200 pairs	A4ii
Wedge-tailed Shearwater Ardenna pacifica	LC	breeding (1978–2008)	10,000–100,000 birds	A4ii
Red-fronted Parakeet Cyanoramphus novaezelandiae	LC	resident (2007–2008)	50–400 birds	A1
Norfolk Island Gerygone Gerygone modesta	LC	resident (2000)	1,500 pairs	A1, A2
White-chested White-eye Zosterops albogularis	EX	resident (2000)	10 pairs	A1, A2
Slender-billed White-eye Zosterops tenuirostris	VU	resident (2000–2008)	1,000 pairs	A1, A2
A4iii Species group - seabirds	n/a	breeding (1978–2008)	10,000–100,000 birds	A4iii

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	most of population/area (50–90%)	moderate decline (10–30% over 3 generations)	high

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
1993	Norfolk Island (Mt Pitt)	National Park (Commonwealth) (II)	13
1993	Norfolk Island	Botanic Gardens (Commonwealth) (IV)	<1
2012	Norfolk	Commonwealth Marine Reserve (II)	6

Habitats

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

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 27/12/2024.