Data Zone
Justification of Red List category
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence under 20,000 km² combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (under 10,000 mature individuals with a continuing decline estimated to be over 10% in ten years or three generations, or with a specified population structure). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (over 30% decline over ten years or three generations). For these reasons the species is evaluated as Least Concern. The status of this species was recently reassessed against the IUCN Red List criteria at national level for the Action Plan for Australian Birds 2020 (Garnet and Baker 2021), and not found to approach or meet the thresholds for threatened status, thereby supporting its continuing treatment as globally Least Concern.
Population justification
The global population size has not been quantified, but the species is reported to be locally common (Flegg and Madge 1995). The species has suffered from urban developments on the edges of its range near Sydney (Blakers et al. 1984), however, most of its habitat is now protected and the population is suspected to be stable.
Trend justification
The species has suffered from urban developments on the edges of its range near Sydney (Blakers et al. 1984), however, most of its habitat is now protected and the population is suspected to be stable.
This taxon is the only bird species endemic to New South Wales, Australia. It is abundant through a large area of the Hawkesbury Sandstone both north and south of Sydney. A recent decline of 65% in reporting rate for this species in its core bioregion, the Sydney basin, based on atlas survey work, is not associated with a contraction in range and is believed to be an artefact of observer behaviour, as during the second atlas survey birders visited fewer forest fragments where the species occurs.
The species has suffered from urban developments on the edges of its range near Sydney (Blakers et al. 1984), however, most of its habitat is now protected within national parks and reserves (del Hoyo et al. 2007).
Text account compilers
Rutherford, C.A.
Contributors
Garnett, S.
Recommended citation
BirdLife International (2024) Species factsheet: Rockwarbler Origma solitaria. Downloaded from
https://datazone.birdlife.org/species/factsheet/rockwarbler-origma-solitaria on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.