
Appearance
The species shows regional variations in plumage and size and several of these populations have been designated with subspecies names. The population in Thailand and southern Myanmar is named as "indochina". Further south is the form "sumatrensis" and "lamprus" on Anamba Islands.A species of feather mite "Proterothrix cyornis" has been described from an Indochinese blue flycatcher from Vietnam.
References:
Some text fragments are auto parsed from Wikipedia.