Sichuan Forest Thrush (Zoothera griseiceps) | Details

Sichuan Forest Thrush Zoothera griseiceps

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Zoothera mollissima and Z. griseiceps (del Hoyo and Collar 2016) were previously lumped as Z. mollissima following Sibley & Monroe (1990, 1993), which included the formerly overlooked Z. salimali (Alström et al. 2016)

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	altitudinal migrant	Forest dependency	low
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	64,800 km²
Extent of Occurrence (non-breeding)	4,400 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	3.53 years	-	-	-

Population justification: The global population size has not been quantified. 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
China (mainland)	extant	native	yes
Vietnam	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	suitable	non-breeding
Forest	Subtropical/Tropical Moist Montane	suitable	non-breeding
Grassland	Subtropical/Tropical High Altitude	major	breeding
Shrubland	Subtropical/Tropical Dry	suitable	non-breeding
Shrubland	Subtropical/Tropical High Altitude	major	breeding
Altitude	1300 - 2900 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Sichuan Forest Thrush Zoothera griseiceps. Downloaded from https://datazone.birdlife.org/species/factsheet/sichuan-forest-thrush-zoothera-griseiceps 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.