Plumage color, DNA markers and songs were analyzed within the genus Cyornis.
No support for inclusion of C. concretus in Cyornis.
Deep divergences observed among subspecies of C. banyumas and C. rubeculoides.
Lack a divergence between C. r. klossi and C. hainanus.
C. r. glaucicomans was suggested a distinctive species, C. glaucicomans.