Islands North of Port Stewart


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
Torresian Imperial-pigeon Ducula spilorrhoa LC resident 1979-1999 30,000-66,100 individuals A4ii
Brown Booby Sula leucogaster LC resident 1981-1995 1,000-2,000 breeding pairs A4ii
Lesser Crested Tern Thalasseus bengalensis LC resident 1987-1999 790-3,330 breeding pairs A4i

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 (2008) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2008 not assessed high not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset medium

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Climate change and severe weather likely in long term (beyond 4 years) whole area/population (>90%) moderate to rapid deterioration high
Human intrusions and disturbance happening now some of area/population (10-49%) no or imperceptible deterioration low

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
1981 Great Barrier Reef World Heritage Site (natural or mixed) 100
2004 Great Barrier Reef Marine Park 67
2004 Great Barrier Reef Coast Marine Park 64
2004 Great Barrier Reef Coast Marine Park 27
2004 Great Barrier Reef Marine Park 27
2010 Claremont Isles National Park 32
2010 Sandbanks National Park 3

Habitats

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

Land use

Land use % of IBA
nature conservation and research 100

Land ownership
Australian Federal Government with management the responsibility of GBRMPA.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Islands North of Port Stewart (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/islands-north-of-port-stewart-iba-australia on 23/11/2024.