LC
Himalayan Swiftlet Aerodramus brevirostris



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
2016 Least Concern
2014 Least Concern
Species attributes

Migratory status full migrant Forest dependency Low
Land mass type Average mass 13 g
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 3,630,000
Extent of Occurrence non-breeding (km2) 7,190,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Stable suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 5 - - -

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).

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 Occurrence status Presence Resident Breeding Non-breeding Passage
Bangladesh N Extant Yes
Bhutan N Extant Yes
China (mainland) N Extant Yes
India N Extant Yes
Laos N Extant Yes
Malaysia N Extant Yes
Myanmar N Extant Yes
Nepal N Extant Yes
Thailand N Extant Yes
Vietnam N Extant 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 - 4575 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2021) Species factsheet: Aerodramus brevirostris. Downloaded from http://www.birdlife.org on 18/10/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/10/2021.