Grey Sibia (Heterophasia gracilis) [XC426603]
by Peter Boesman from Shilong - Cherrapunjee rd, Meghalaya, India (song)
Grey Sibia (Heterophasia gracilis) [XC509409]
by Karol Kustusch from Mount Victoria, Myanmar (song)
Subspecies
No subspecies.
May form a superspecies with Rufous Sibia (Heterophasia capistrata). Birds from Mt Victoria, in western Myanmar, described as subspecies dorsalis, but appear inseparable from those elsewhere in species' range.