White-shouldered Triller (Lalage sueurii) | Details

White-shouldered Triller Lalage sueurii

Current view: Data table and detailed info

Taxonomy

Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
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
2012	Least Concern
2009	Least Concern
2008	Least Concern
2004	Least Concern
2000	Lower Risk/Least Concern
1994	Lower Risk/Least Concern
1988	Lower Risk/Least Concern

Species attributes

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

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,460,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	increasing	-	estimated	-
Generation length	3.7 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be common (Coates et al. 1997).

Trend justification: This population is estimated to be increasing following a northward expansion in its range in the 1980s (del Hoyo et al. 2005).

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Indonesia	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	suitable	resident
Artificial/Terrestrial	Plantations	suitable	resident
Artificial/Terrestrial	Rural Gardens	suitable	resident
Forest	Subtropical/Tropical Dry	suitable	resident
Forest	Subtropical/Tropical Mangrove Vegetation Above High Tide Level	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Savanna	Dry	suitable	resident
Shrubland	Subtropical/Tropical Dry	suitable	resident
Shrubland	Subtropical/Tropical Moist	suitable	resident
Wetlands (inland)	Bogs, Marshes, Swamps, Fens, Peatlands	suitable	resident
Altitude	0 - 1630 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2025) Species factsheet: White-shouldered Triller Lalage sueurii. Downloaded from https://datazone.birdlife.org/species/factsheet/white-shouldered-triller-lalage-sueurii on 05/01/2025.
Recommended citation for factsheets for more than one species: BirdLife International (2025) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 05/01/2025.