Duffer's Reef (New Zealand) IBA | Details

NZ038

Duffer's Reef

Current view: Data table and detailed info

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
Rough-faced Shag Leucocarbo carunculatus	VU	breeding (1951–2015)	46–80 pairs	A1, A4i

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
Human intrusions and disturbance	likely in short term (<4 years)	some of population/area (10–49%)	moderate decline (10–30% 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

IBA Protection

Year	Protected Area	Designation (management category)	% coverage of IBA
1965	Duffers Reef	Wildlife Sanctuary (IV)	20

Habitats

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Intertidal	major (>10)

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Duffer's Reef (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/duffers-reef-iba-new-zealand on 23/12/2024.