Parent: Aerodramus (Edible-nest swiftlets)

└─ Aerodramus brevirostris (Himalayan swiftlet)

└─── Aerodramus brevirostris brevirostris

└─── Aerodramus brevirostris innominatus

└─── Aerodramus brevirostris rogersi

└─── Aerodramus brevirostris vulcanorum