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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Australian Bustard Ardeotis australis	LC	resident (1998–2008)	common	A1
Black-necked Stork Ephippiorhynchus asiaticus	NT	resident (1998–2007)	frequent	A1
Pied Oystercatcher Haematopus longirostris	LC	resident (1990–2006)	289–416 birds	A4i
Black-winged Stilt Himantopus himantopus	LC	breeding (1996–2008)	3,000 birds	A4i
Red-capped Plover Charadrius ruficapillus	LC	resident (1990–2006)	2,900–2,959 birds	A4i
Greater Sandplover Charadrius leschenaultii	LC	non-breeding (1990–2006)	13,657–16,604 birds	A4i
Oriental Plover Charadrius veredus	LC	non-breeding (1990–2006)	8,700 birds	A4i
Little Curlew Numenius minutus	LC	non-breeding (1990–2006)	50,000 birds	A4i
Far Eastern Curlew Numenius madagascariensis	EN	non-breeding (1990–2006)	261–920 birds	A4i
Bar-tailed Godwit Limosa lapponica	NT	non-breeding (1990–2006)	9,879–32,270 birds	A4i
Great Knot Calidris tenuirostris	EN	non-breeding (1990–2006)	10,603–31,870 birds	A4i
Red-necked Stint Calidris ruficollis	NT	non-breeding (1990–2006)	2,123–14,443 birds	A4i
Asian Dowitcher Limnodromus semipalmatus	NT	non-breeding (1990–2007)	414 birds	A1, A4i
Grey-tailed Tattler Tringa brevipes	LC	non-breeding (1990–2006)	1,045–3,380 birds	A4i
Dusky Gerygone Gerygone tenebrosa	LC	resident (1998–2008)	common	A2

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
Residential and commercial development	happe­ning now	whole of popul­ation/area (>90%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Unnamed WA51932	5(1)(h) Reserve (IV)	6
2011	Unnamed WA51046	5(1)(h) Reserve (VI)	28
2012	Unnamed WA51105	5(1)(h) Reserve (VI)	<1
2013	Unnamed WA51583	5(1)(h) Reserve (II)	5
2013	Unnamed WA51497	5(1)(h) Reserve (VI)	<1
2013	Unnamed WA51617	5(1)(h) Reserve (II)	<1

Habitat	% of IBA	Habitat detail
Grassland	major (>10)	Tussock grasslands
Marine Intertidal	major (>10)
Shrubland	major (>10)	Chenopod shrubs, samphire shrubs and forblands
Forest	minor (<10)	Mangroves
Savanna	minor (<10)	Acacia open woodlands
Wetlands (inland)	minor (<10)	Ephemeral; Freshwater lakes & pools; Saline lakes

Land use	% of IBA
rangeland/pastureland	major (>10)
urban/industrial/transport	minor (<10)
water management	minor (<10)

State or local government (Port of Broome); Crown Land under native title; some pastoral leases including Roebuck Plains Station.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Roebuck Bay (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/roebuck-bay-iba-australia on 23/12/2024.