Coringa-Herald Reefs

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Red-tailed Tropicbird Phaethon rubricauda LC resident 1992-2007 389-450 breeding pairs A4ii
Wedge-tailed Shearwater Ardenna pacifica LC resident 2001-2003 9,500-19,500 breeding pairs A4ii
Lesser Frigatebird Fregata ariel LC resident 1992-2007 1,000-2,150 breeding pairs A4ii
Red-footed Booby Sula sula LC resident 1992-2007 3,364-3,940 breeding pairs A4ii
Black Noddy Anous minutus LC resident 1992-2007 10,000-22,000 breeding pairs A4i

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2008 high not assessed not assessed
Was the whole site covered? Yes State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Climate change and severe weather storms and floods likely in long term (beyond 4 years) whole area/population (>90%) moderate to rapid deterioration high
Human intrusions and disturbance recreational activities happening now whole area/population (>90%) no or imperceptible deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Coringa-Herald National Nature Reserve 885,261 protected area contains site 124
Coral Sea Reserves (Coringa-Herald and Lihou Reefs and Cays) Ramsar Site, Wetland of International Importance 1,728,920 protected area overlaps with site 0
Coral Sea Commonwealth Marine Reserve 98,983,606 protected area contains site 0


IUCN Habitat Habitat detail Extent (% of site)
Coastline Sand cays, islets & bars -
Forest Other forests & woodlands -
Shrubland Other shrublands -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.

Land ownership
Australian Federal Government managed by the Department of Environment, Water, Heritage and the Arts.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Coringa-Herald Reefs. Downloaded from on 08/08/2022.