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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
Blue-billed Duck Oxyura australis	LC	breeding	1981-2008	102 individuals	A1
Australasian Bittern Botaurus poiciloptilus	VU	breeding	1981-2008	8 individuals	A1

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 (2019) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	likely in long term (beyond 4 years)	majority/most of area/population (50-90%)	very rapid to severe deterioration	high
Invasive and other problematic species and genes	happening now	whole area/population (>90%)	slow but significant deterioration	high
Pollution	happening now	whole area/population (>90%)	slow but significant deterioration	high
Climate change and severe weather	happening now	whole area/population (>90%)	slow but significant deterioration	high
Biological resource use	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

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
1977	Benger Swamp	Nature Reserve	100

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Ephemeral	100

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	major (>10)

State government; private (freehold).

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Benger Swamp (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/benger-swamp-iba-australia on 23/11/2024.