Black-crowned Barwing Actinodura sodangorum


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.
Eames, J. C.; Le Trong Trai.; Nguyen Cu.; Eve, R. 1999. New species of Barwing Actinodura (Passeriformes: Sylviinae: Timaliini) from the Western Highlands of Vietnam. Ibis 141: 1-10.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2020 Near Threatened B1a
2016 Near Threatened B1ab(ii,iii,v); C2a(i)
2013 Near Threatened B1ab(ii,iii,v); C2a(i)
2012 Vulnerable B1ab(i,ii,iii,iv,v)
2008 Vulnerable B1a+b(i,ii,iii,iv,v)
2004 Vulnerable
2000 Vulnerable
1994 Not Recognised
1988 Not Recognised
Species attributes

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

Estimate Data quality
Extent of Occurrence (breeding/resident) 17,400 km2 medium
Number of locations 10 -
Severely fragmented? no -
Estimate Data quality Derivation Year of estimate
Population size 6600-13400 mature individuals poor estimated 2013
Population trend stable poor suspected -
Generation length 3.1 years - - -
Number of subpopulations 2-100 - - -

Population justification: The population was previously estimated to number 2,500-9,999 individuals, based on an assessment of known records, descriptions of abundance and range size. However, the species has since been found at additional locations, extending its known range and suggesting that the population estimate should be revised upwards. As a result the population is now placed in the band for 10,000-19,999 individuals, roughly equivalent to 6,600-13,400 mature individuals.

Trend justification: The population status of this species is very poorly known. It is suspected to be stable on the basis that it favours secondary habitats and that human activities are resulting in both the creation and destruction of such habitats, and thus an on-going turn-over in suitable areas with, however, no discernible net change in recent years (R. J. Timmins in litt. 2013). The area of suitable habitat in Laos may in fact be increasing, at least temporarily (S. Mahood in litt. 2012, J. W. Duckworth in litt. 2013), but further investigation is needed.

Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Laos extant native yes
Vietnam extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Vietnam Ngoc Linh
Vietnam Lo Xo Pass
Laos Dakchung Plateau

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Grassland Subtropical/Tropical High Altitude suitable resident
Shrubland Subtropical/Tropical High Altitude major resident
Altitude 1000 - 2400 m Occasional altitudinal limits (min) 0 m

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Shifting agriculture Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Ecosystem degradation, Ecosystem conversion
Transportation & service corridors Roads & railroads Timing Scope Severity Impact
Future Majority (50-90%) Slow, Significant Declines Low Impact: 5
Species disturbance, Ecosystem degradation, Ecosystem conversion

Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - international non-trivial recent

Recommended citation
BirdLife International (2023) Species factsheet: Actinodura sodangorum. Downloaded from http://datazone.birdlife.org/species/factsheet/black-crowned-barwing-actinodura-sodangorum on 28/11/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 28/11/2023.