Roebuck Bay


IBA Justification

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
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 individuals A4i
Black-winged Stilt Himantopus himantopus LC breeding 1996-2008 3,000 individuals A4i
Red-capped Plover Charadrius ruficapillus LC resident 1990-2006 2,900-2,959 individuals A4i
Greater Sandplover Charadrius leschenaultii LC non-breeding 1990-2006 13,657-16,604 individuals A4i
Oriental Plover Charadrius veredus LC non-breeding 1990-2006 8,700 individuals A4i
Little Curlew Numenius minutus LC non-breeding 1990-2006 50,000 individuals A4i
Far Eastern Curlew Numenius madagascariensis EN non-breeding 1990-2006 261-920 individuals A4i
Bar-tailed Godwit Limosa lapponica NT non-breeding 1990-2006 9,879-32,270 individuals A4i
Great Knot Calidris tenuirostris EN non-breeding 1990-2006 10,603-31,870 individuals A4i
Red-necked Stint Calidris ruficollis NT non-breeding 1990-2006 2,123-14,443 individuals A4i
Asian Dowitcher Limnodromus semipalmatus NT non-breeding 1990-2007 414 individuals A1, A4i
Grey-tailed Tattler Tringa brevipes LC non-breeding 1990-2006 1,045-3,380 individuals A4i
Dusky Gerygone Gerygone tenebrosa LC resident 1998-2008 common A2

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


IBA Conservation

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.

IBA conservation assessment
Year of assessment State Pressure Response
2008 not assessed low not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset good

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Residential and commercial development happening now whole area/population (>90%) no or imperceptible deterioration low

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

IBA Protection

Year Protected Area Designation % overlap with IBA
- Unnamed WA51932 5(1)(h) Reserve 6
1990 Roebuck Bay Ramsar Site, Wetland of International Importance 24
2011 Unnamed WA51046 5(1)(h) Reserve 28
2012 Unnamed WA51105 5(1)(h) Reserve <1
2013 Unnamed WA51583 5(1)(h) Reserve 5
2013 Unnamed WA51497 5(1)(h) Reserve <1
2013 Unnamed WA51617 5(1)(h) Reserve <1

Habitats

Habitat1 Habitat detail % of IBA
Grassland Tussock grasslands major (>10)
Marine Intertidal major (>10)
Shrubland Chenopod shrubs, samphire shrubs and forblands major (>10)
Forest Mangroves minor (<10)
Savanna Acacia open woodlands minor (<10)
Wetlands (inland) Ephemeral, Freshwater lakes & pools, Saline lakes minor (<10)
1. IUCN Habitat classification.

Land use

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

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


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 22/11/2024.