NZ038
Duffer's Reef


IBA Justification

The site was identified as important 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 List1 Season Year(s) Size IBA criteria
Rough-faced Shag Leucocarbo carunculatus VU breeding 1951-2015 46-80 breeding pairs A1, A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.


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 (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium

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
1965 Duffers Reef Wildlife Sanctuary 20

Habitats

Habitat1 Habitat detail % of IBA
Marine Coastal/Supratidal major (>10)
Marine Intertidal major (>10)
1. IUCN Habitat classification.


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 23/11/2024.