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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
Lesser Crested Tern Thalasseus bengalensis	LC	resident	1985-1989	780-5,000 nests	A4i

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

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.

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
Transportation and service corridors	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low
Human intrusions and disturbance	happening now	whole area/population (>90%)	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

Year	Protected Area	Designation	% overlap with IBA
1981	Great Barrier Reef	World Heritage Site (natural or mixed)	100
2004	Great Barrier Reef	Marine Park	100

Habitat1	Habitat detail	% of IBA
Marine Coastal/Supratidal		100

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	100

Australian Federal Government with management the responsibility of GBRMPA.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sudbury Reef (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/sudbury-reef-iba-australia on 23/11/2024.