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
Most recent IBA monitoring assessment
Year of assessment
Threat score (pressure)
Condition score (state)
Action score (response)
Was the whole site covered?
State assessed by
Accuracy of information
Threats to the site (pressure)
Threat Level 1
Threat Level 2
Human intrusions and disturbance
whole area/population (>90%)
no or imperceptible deterioration
Invasive and other problematic species and genes
invasive non-native/alien species/diseases - named species
majority/most of area/population (50-90%)
slow but significant deterioration
Conservation actions taken at site (response)
For more information about IBA monitoring please click here
For further information about the habitat classification please click here.
Extent (% of site)
For further information about the land use classification please click here.
Traditional owners are Lardil people: Rocky Island known as Kalamburriya, Manowar Island known as Delmerriya or Wudma. http://www.environment.gov.au/indigenous/publications/pubs/thuwathu-bujimulla-plan.pdf. Native title exists over the islands.
BirdLife International (2022) Important Bird Areas factsheet: Manowar and Rocky Islands. Downloaded from
http://www.birdlife.org on 18/08/2022.