Lake Machattie Area

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
Pink-eared Duck Malacorhynchus membranaceus LC breeding 2002 17,000 individuals A4i
Freckled Duck Stictonetta naevosa LC breeding 2001-2002 1,201 individuals A4i
Australian Bustard Ardeotis australis LC unknown 1998-2008 uncommon A1
Royal Spoonbill Platalea regia LC breeding 2000-2001 1,500 breeding pairs A4i
Straw-necked Ibis Threskiornis spinicollis LC breeding 2000-2001 15,600 breeding pairs A4i
Australian Pelican Pelecanus conspicillatus LC breeding 2001 75,000 nests A4i
Little Black Cormorant Phalacrocorax sulcirostris LC breeding 2001 5,600 breeding pairs A4i
Red-necked Avocet Recurvirostra novaehollandiae LC non-breeding 2001-2002 5,700 individuals A4i
Sharp-tailed Sandpiper Calidris acuminata VU non-breeding 2000 2,517 individuals A4i
Grey Grasswren Amytornis barbatus LC resident 1982-2008 frequent A2, A3

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 medium 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
Natural system modifications dams & water management/use - abstraction of surface water (commercial use) likely in long term (beyond 4 years) whole area/population (>90%) slow but significant deterioration medium
Natural system modifications fire & fire suppression - increase in fire frequency/intensity happening now some of area/population (10-49%) slow but significant deterioration medium

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


IUCN Habitat Habitat detail Extent (% of site)
Forest Acacia forests & woodlands, Eucalypt woodlands -
Shrubland Chenopod shrubs, samphire shrubs and forblands, Other shrublands -
Wetlands (inland) Ephemeral, Freshwater lakes & pools, Riverine floodplains, Rivers & streams -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
rangeland/pastureland -
For further information about the land use classification please click here.

Land ownership

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Lake Machattie Area. Downloaded from on 10/08/2022.