Indochinese Blue Flycatcher (Cyornis sumatrensis) [XC440824]
by Greg Irving from Tambon Sai Ma, Amphoe Mueang Nonthaburi, Chang Wat Nonthaburi, Thailand (call)
Indochinese Blue Flycatcher (Cyornis sumatrensis) [XC738325]
by Brian Cox from Youth Park, Penang, Malaysia (song)
Subspecies
The following 3 subspecies are recognised:
sumatrensis (Sharpe, 1879) - Southern Thailand and Peninsular Malaysia, also north-eastern Sumatra (one record).
indochina Chasen & Kloss, 1928 - South-eastern Myanmar, Thailand (except peninsula), Cambodia, SLaos and central Vietnam (central and southern Annam).
lamprus Oberholser, 1917 - Anamba Is, off eastern Peninsular Malaysia.