Himalayan Swiftlet (Aerodramus brevirostris)

Himalayan Swiftlet Aerodramus brevirostris

Current view: Data table and detailed info

Taxonomy

Taxonomic note
Aerodramus brevirostris (del Hoyo and Collar 2014) was previously placed in the genus Collocalia and split as C. brevirostris and C. rogersi following Sibley and Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions 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
2014	Least Concern
2012	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Species attributes

Migratory status	full migrant	Forest dependency	low
Land-mass type		Average mass	13 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	3,630,000 km²
Extent of Occurrence (non-breeding)	7,190,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.64 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be common throughout most of breeding range (del Hoyo et al. 1999). 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	Non-breeding visitor
Bangladesh	extant	native	yes
Bhutan	extant	native	yes
China (mainland)	extant	native	yes
India	extant	native	yes
Laos	extant	native	yes
Malaysia	extant	native		yes
Myanmar	extant	native	yes
Nepal	extant	native	yes
Thailand	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	breeding
Artificial/Terrestrial	Arable Land	suitable	non-breeding
Caves and Subterranean Habitats (non-aquatic)	Caves	suitable	breeding
Forest	Subtropical/Tropical Moist Montane	suitable	breeding
Forest	Subtropical/Tropical Moist Montane	suitable	non-breeding
Rocky areas (eg. inland cliffs, mountain peaks)		suitable	breeding
Altitude	1500 - 4580 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Himalayan Swiftlet Aerodramus brevirostris. Downloaded from https://datazone.birdlife.org/species/factsheet/himalayan-swiftlet-aerodramus-brevirostris on 22/11/2024.
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 22/11/2024.