Tawny Grassbird (Cincloramphus timoriensis) - BirdLife species factsheet

Tawny Grassbird Cincloramphus timoriensis

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Cincloramphus timoriensis and C. macrurus (del Hoyo and Collar 2016) were previously lumped as Megalurus timoriensis following Christidis & Boles (2008); Sibley & Monroe (1990, 1993).

Taxonomic source(s)
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	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Species attributes

Migratory status	nomadic	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	31 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	10,700,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.62 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be generally uncommon but locally common in Wallacea and Australia (Coates 1990, Coates et al. 1997, Morcombe 2000). 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
Australia	extant	native	yes
Indonesia	extant	native	yes
Papua New Guinea	extant	native	yes
Philippines	extant	native	yes
Timor-Leste	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Arable Land	marginal	resident
Artificial/Terrestrial	Rural Gardens	marginal	resident
Grassland	Subtropical/Tropical Seasonally Wet/Flooded	major	resident
Marine Coastal/Supratidal	Coastal Sand Dunes	suitable	resident
Shrubland	Subtropical/Tropical Moist	suitable	resident
Wetlands (inland)	Bogs, Marshes, Swamps, Fens, Peatlands	major	resident
Wetlands (inland)	Shrub Dominated Wetlands	suitable	resident
Altitude	0 - 2000 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Tawny Grassbird Cincloramphus timoriensis. Downloaded from https://datazone.birdlife.org/species/factsheet/tawny-grassbird-cincloramphus-timoriensis on 23/11/2024.
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 23/11/2024.