Robbins Passage and Boullanger Bay


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
Tasmanian Native-hen Tribonyx mortierii LC resident 1998-2008 uncommon A2, A3
Short-tailed Shearwater Ardenna tenuirostris LC resident 1975-1995 242,000 breeding pairs A4ii
Pied Oystercatcher Haematopus longirostris LC resident 1997-2005 675-1,454 individuals A4i
Sooty Oystercatcher Haematopus fuliginosus LC resident 1997-2005 310-790 individuals A4i
Double-banded Plover Charadrius bicinctus LC non-breeding 1997-2005 20-1,721 individuals A4i
Hooded Plover Thinornis cucullatus VU resident 1997-2005 37-68 individuals A1
Red-necked Stint Calidris ruficollis NT non-breeding 1997-2005 4,430-15,726 individuals A4i
Pacific Gull Larus pacificus LC resident 1989 120 breeding pairs A4i
Fairy Tern Sternula nereis VU unknown 1998-2008 289 individuals A1, A4i
Green Rosella Platycercus caledonicus LC resident 1998-2008 abundant A2, A3
Orange-bellied Parrot Neophema chrysogaster CR unknown 2007 frequent A1, A3
Black-headed Honeyeater Melithreptus affinis LC resident 1998-2008 rare A2, A3
Strong-billed Honeyeater Melithreptus validirostris LC resident 1998-2008 uncommon A2, A3
Yellow-throated Honeyeater Nesoptilotis flavicollis LC resident 1998-2008 common A2, A3
Striated Fieldwren Calamanthus fuliginosus LC resident 1998-2008 common A3
Tasmanian Scrubwren Sericornis humilis LC resident 1998-2008 common A2, A3
Tasmanian Thornbill Acanthiza ewingii LC resident 1998-2008 abundant A2
Black Currawong Strepera fuliginosa LC resident 1998-2008 common A2, A3
Flame Robin Petroica phoenicea NT non-breeding 1998-2008 frequent A1
Dusky Robin Melanodryas vittata LC resident 1998-2008 common A2, A3

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 medium 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 some of area/population (10-49%) no or imperceptible deterioration low
Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture happening now small area/few individuals (<10%) no or imperceptible deterioration low
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) no or imperceptible deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now some of area/population (10-49%) slow but significant deterioration medium

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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
West Inlet Conservation Area 70 protected area overlaps with site 68
Wallaby Islands Conservation Area 89 protected area contained by site 0
Unnamed (Duck Bay) Conservation Area 1,544 protected area overlaps with site 1,900
Shell Islets Conservation Area 4 protected area contained by site 0
Petrel Islands Game Reserve 44 protected area overlaps with site 17
Perkins Island Conservation Area 233 protected area overlaps with site 89
Murkay Islets Conservation Area 14 protected area contained by site 0
Montagu Island Conservation Area 96 protected area contained by site 0
Montagu Beach Conservation Area 298 protected area overlaps with site 0
Lees Point Conservation Area 389 protected area overlaps with site 121
Kangaroo Island Conservation Area 170 protected area contained by site 0
Howie Island Conservation Area 41 protected area contained by site 0
Harcus Island Conservation Area 17 protected area contained by site 0
Harbour Islets Conservation Area 13 protected area overlaps with site 0
Brick Islands Conservation Area 12 protected area contained by site 0
Big Bay Conservation Area 248 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Artificial/Terrestrial Improved grassland & pasture -
Coastline Estuarine waters, Intertidal mud, sand & salt flats, Salt marshes, Sand cays, islets & bars, Sea cliffs, rocky shores & rocky islets -
Introduced vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
hunting -
rangeland/pastureland -
For further information about the land use classification please click here.

Land ownership
Parts of four small protected areas are included but most of the IBA is private properties, some of which extend to low water mark.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Robbins Passage and Boullanger Bay. Downloaded from http://www.birdlife.org on 13/07/2020.