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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
Lesser Crested Tern Thalasseus bengalensis	LC	resident (1985–1989)	780–5,000 nests	A4i

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 (>4 years)	whole of popul­ation/area (>90%)	moderate decline (10–30% over 3 gener­ations)	high
Human intrusions and disturbance	happe­ning now	whole of popul­ation/area (>90%)	no or slight decline (<1% over 3 gener­ations)	low
Transportation and service corridors	happe­ning now	most of popul­ation/area (50–90%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1981	Great Barrier Reef	World Heritage Site (natural or mixed) (UA)	100
2004	Great Barrier Reef	Marine Park (II)	100

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	100

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 27/12/2024.