Bhutan Laughingthrush (Trochalopteron imbricatum) | Details

Bhutan Laughingthrush Trochalopteron imbricatum

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Trochalopteron imbricatum (del Hoyo and Collar 2016) was previously listed as Garrulax imbricatus.

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
2018	Least Concern
2016	Least Concern
2012	Least Concern
2009	Least Concern
2008	Least Concern
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Species attributes

Migratory status	not a migrant	Forest dependency	low
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	38,600 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	4.7 years	-	-	-

Population justification: The global population size has not been quantified, but the species is described as common in Bhutan (del Hoyo et al. 2007).

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

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Bhutan	extant	native	yes
China (mainland)	extant	native	yes
India	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Grassland	Subtropical/Tropical High Altitude	suitable	resident
Shrubland	Subtropical/Tropical High Altitude	suitable	resident
Altitude	1400 - 2400 m	Occasional altitudinal limits	900 - 2900 m

Recommended citation
BirdLife International (2024) Species factsheet: Bhutan Laughingthrush Trochalopteron imbricatum. Downloaded from https://datazone.birdlife.org/species/factsheet/bhutan-laughingthrush-trochalopteron-imbricatum on 26/12/2024.
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 26/12/2024.