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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Magpie Goose Anseranas semipalmata	LC	non-breeding	1986-2007	10,527-71,821 individuals	A4i
Wandering Whistling-duck Dendrocygna arcuata	LC	resident	1986-2007	23,651-74,610 individuals	A4i
Green Pygmy-goose Nettapus pulchellus	LC	resident	1986-2007	1,424-4,404 individuals	A4i
Hardhead Aythya australis	LC	resident	1986-2007	11,949-51,433 individuals	A4i
Pacific Black Duck Anas superciliosa	LC	resident	1986-2007	3,211-16,333 individuals	A4i
Australian Bustard Ardeotis australis	LC	resident	2005	250 individuals	A1
Black-necked Stork Ephippiorhynchus asiaticus	NT	resident	1986-2007	55-118 individuals	A1
Black-winged Stilt Himantopus himantopus	LC	resident	1986-2007	2,249-14,622 individuals	A4i
Red-capped Plover Charadrius ruficapillus	LC	resident	2005-2007	3,670 individuals	A4i
Oriental Plover Charadrius veredus	LC	non-breeding	2005-2007	1,154 individuals	A4i
Black-fronted Dotterel Elseyornis melanops	LC	resident	2005-2007	177 individuals	A4i
Sharp-tailed Sandpiper Calidris acuminata	VU	non-breeding	2005	18,144 individuals	A4i
Long-toed Stint Calidris subminuta	LC	non-breeding	2005	355 individuals	A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

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
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	likely in long term (beyond 4 years)	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
1990	Lakes Argyle and Kununurra	Ramsar Site, Wetland of International Importance	100

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Freshwater lakes & pools	major (>10)
Grassland	Tussock grasslands	minor (<10)

1. IUCN Habitat classification.

Land use	% of IBA
water management	100
rangeland/pastureland	minor (<10)

Western Australian State Government.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Argyle (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-argyle-iba-australia on 23/11/2024.