Dark-backed Sibia (Heterophasia melanoleuca) | Details

Dark-backed Sibia Heterophasia melanoleuca

Current view: Data table and detailed info

Taxonomy

Taxonomic note

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
2016	Least Concern
2013	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	high
Land-mass type		Average mass	33 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	380,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	-
Generation length	4.9 years	-	-	-

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

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
China (mainland)	extant	native	yes
Laos	extant	native	yes
Myanmar	extant	native	yes
Thailand	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Laos	Nam Ha
Thailand	Doi Chiang Dao
Thailand	Doi Inthanon
Thailand	Doi Phukha
Thailand	Doi Suthep-Pui
Thailand	Huai Kha Khaeng
Thailand	Mae Fang
Thailand	Mae Lao - Mae Sae
Thailand	Nanthaburi
Thailand	Thung Yai - Naresuan
Thailand	Umphang

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Altitude	1000 - 2565 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Dark-backed Sibia Heterophasia melanoleuca. Downloaded from https://datazone.birdlife.org/species/factsheet/dark-backed-sibia-heterophasia-melanoleuca on 18/12/2024.
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 18/12/2024.