Slaty-backed Thornbill (Acanthiza robustirostris) | Details

Slaty-backed Thornbill Acanthiza robustirostris

Current view: Data table and detailed info

Taxonomy

Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red List criteria met and history

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2024	Least Concern
2016	Least Concern
2012	Least Concern
2009	Least Concern
2008	Least Concern
2004	Least Concern
2000	Lower Risk/Least Concern
1994	Lower Risk/Least Concern
1988	Lower Risk/Least Concern

Species attributes

Migratory status	not a migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	6 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	3,020,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.82 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be generally uncommon (Flegg and Madge 1995). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Australia	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Australia	Fortescue Marshes
Australia	Karara and Lochada
Australia	Lake Bindegolly
Australia	Mount Gibson and Charles Darwin
Australia	Paroo Floodplain and Currawinya

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Desert	Hot	suitable	resident
Rocky areas (eg. inland cliffs, mountain peaks)		major	resident
Savanna	Dry	major	resident
Altitude	0 - 860 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Slaty-backed Thornbill Acanthiza robustirostris. Downloaded from https://datazone.birdlife.org/species/factsheet/slaty-backed-thornbill-acanthiza-robustirostris 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.