Mount Gibson and Charles Darwin


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
Malleefowl Leipoa ocellata VU resident 1994-2008 frequent A1
Inland Dotterel Peltohyas australis LC resident 1998-2008 rare A3
Western Corella Cacatua pastinator LC resident 1998-2008 uncommon A2, A3
Bourke's Parrot Neopsephotus bourkii LC resident 1998-2008 uncommon A3
Regent Parrot Polytelis anthopeplus LC resident 1998-2008 frequent A3
Rufous Treecreeper Climacteris rufus LC resident 1998-2008 frequent A3
Blue-breasted Fairywren Malurus pulcherrimus LC resident 1998-2008 rare A3
Black Honeyeater Sugomel nigrum LC resident 1998-2008 uncommon A3
Pied Honeyeater Certhionyx variegatus LC resident 1998-2008 uncommon A3
Slaty-backed Thornbill Acanthiza robustirostris LC resident 1998-2008 rare A3
Chiming Wedgebill Psophodes occidentalis LC resident 1998-2008 rare A3
Western Yellow Robin Eopsaltria griseogularis LC resident 1998-2008 uncommon A3

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 high not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset medium

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Natural system modifications happening now majority/most of area/population (50-90%) slow but significant deterioration high
Invasive and other problematic species and genes happening now majority/most of area/population (50-90%) 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
- Mt Gibson Private Nature Reserve 55
- Charles Darwin Conservation Reserve 28
- Charles Darwin Reserve 29

Habitats

Habitat1 Habitat detail % of IBA
Shrubland Acacia shrublands 75
Savanna Eucalypt open woodlands 22
Grassland 3
1. IUCN Habitat classification.

Land use

Land use % of IBA
nature conservation and research 80
not utilised 20

Land ownership
Charles Darwin Reserve is managed by Bush Heritage Australia, Mount Gibson Station is managed by Australian Wildlife Conservancy, unallocated Crown Land is vested in the state government.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mount Gibson and Charles Darwin (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/mount-gibson-and-charles-darwin-iba-australia on 25/11/2024.