Belongs within: Muscicapidae.
Cyornis is a genus of flycatchers found in southern and eastern Asia that often exhibit blue upperparts.
<==Cyornis
|--C. concretusBKB15
`--+--C. unicolorBKB15 [=Silphia unicolorS89]
`--+--+--C. ruficaudaBKB15 [=Rhinomyias ruficaudaJT12]
| `--C. umbratilisBKB15 [=Rhinomyias umbratilisJT12]
`--+--+--C. olivaceusBKB15 [=Rhinomyias olivaceusJT12]
| `--C. poliogenysBKB15
`--+--C. rufigastraBKB15
`--+--C. banyumasBKB15
`--C. rubeculoidesBKB15
Cyornis incertae sedis:
C. brevirostris Bingham 1900B00
C. brunneatusAP21
C. caerulatusJT12
C. colonusAP21
C. dialilaema Salvadori 1889S89
C. djampeanusAP21
C. glaucicomansVP89
C. hainanusAP21
C. heriotiJT12
C. hoevelliJT12
C. hyacinthinusJT12
C. lemprieriJT12
C. magnirostrisJT12
C. nicobaricusAP21
C. omissusJT12
C. oscillansAP21
C. pallidipesAP21
C. pelingensisAP21
C. ruckiiJT12
C. sanfordiJT12
C. sapphiraB00
C. superbusJT12
C. tickelliaeAP21 [=Silphia tickelliaeS89]
C. turcosusJT12
*Type species of generic name indicated
References
[AP21] Arlott, N., & B. van Perlo. 2021. Collins Birds of the World. William Collins.
[B00] Bingham, C. T. 1900. On a new genus and species of bulbul and an apparently new species of Cyornis. Annals and Magazine of Natural History, series 7, 5: 357–359.
[BKB15] Burleigh, J. G., R. T. Kimball & E. L. Braun. 2015. Building the avian tree of life using a large-scale, sparse supermatrix. Molecular Phylogenetics and Evolution 84: 53–63.
[JT12] Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann & A. Ø. Mooers. 2012. The global diversity of birds in space and time. Nature 491: 444–448.
[S89] Salvadori, T. 1889. Viaggio di Leonardo Fea nella Birmania e nelle regioni vicine. XIX.—Uccelli raccolti nei Monti Carin a nord-est di Tounghoo, nel Pegù presso Rangoon e Tounghoo e nel Tenasserim presso Malewoon. Annali del Museo Civico di Storia Naturale di Genova, Serie 2a, 7: 369–438.
[VP89] Viney, C., & K. Phillipps. 1989. Birds of Hong Kong 5th ed. Government Printer: Hong Kong.