Mandora Marsh and Anna Plains

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
Plumed Whistling-duck Dendrocygna eytoni LC resident 1999-2000 740-14,070 individuals A4i
Hardhead Aythya australis LC resident 1999-2000 1,940-98,750 individuals A4i
Brolga Grus rubicunda LC unknown 1999-2000 20-3,620 individuals A4i
Australian Bustard Ardeotis australis LC resident 1998-2008 common A1
Straw-necked Ibis Threskiornis spinicollis LC resident 1999-2000 31,860-48,630 individuals A4i
Glossy Ibis Plegadis falcinellus LC unknown 1999-2000 880-26,140 individuals A4i
White-necked Heron Ardea pacifica LC resident 1999-2000 1,120-1,760 individuals A4i
Bush Thick-knee Burhinus grallarius LC resident 1998-2008 frequent A1
Banded Stilt Cladorhynchus leucocephalus LC unknown 1999-2000 2,670 individuals A4i
Red-necked Avocet Recurvirostra novaehollandiae LC unknown 1999-2000 180-3,740 individuals A4i
Black-winged Stilt Himantopus himantopus LC resident 1999-2000 101,760-219,520 individuals A4i
Oriental Plover Charadrius veredus LC non-breeding 1988-2006 29,000-60,000 individuals A4i
Little Curlew Numenius minutus LC non-breeding 1988-2006 12,000 individuals A4i
Oriental Pratincole Glareola maldivarum LC non-breeding 1998-2006 20,000-2,880,000 individuals A4i
Whiskered Tern Chlidonias hybrida LC breeding 1999-2000 4,920-27,360 individuals A4i
Common Gull-billed Tern Gelochelidon nilotica LC breeding 1999-2000 70-6,590 individuals A4i
Dusky Gerygone Gerygone tenebrosa LC resident 1998-2008 common A2

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 low 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
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now majority/most of area/population (50-90%) 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%) no or imperceptible deterioration low

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)
Nyangumarta Warrarn Indigenous Protected Area 2,826,371 protected area overlaps with site 0
Karajarri Indigenous Protected Area 2,480,567 protected area is adjacent to site 0
Eighty-mile Beach Ramsar Site, Wetland of International Importance 175,464 protected area overlaps with site 0
Eighty Mile Beach Marine Park 180,095 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Grassland Tussock grasslands -
Wetlands (inland) Ephemeral, Salt marshes -
Coastline Mangrove wetlands -
For further information about the habitat classification please click here.

Land use

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

Land ownership
Crown Land including Mandora, Anna Plains and Wallal pastoral leases.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Mandora Marsh and Anna Plains. Downloaded from on 26/10/2021.