|Taxonomic Notes :||Monotypic. Large Blue Flycatcher has been separated from Hill Blue Flycatcher Cyornis banyumas as a full species. The most significant field characters appear to be larger hook-tipped bill, longer primary projection, paler throat than breast, the colour of the legs: pale flesh in magnirostris; darker, purplish-flesh in banyumas.
Ref: Renner, S.C., Rasmussen, P. C. and Rappole, J. J., Thein Aung and Myeint
Aung. 2009.Discovery of the Large Blue Flycatcher Cyornis [banyumas] magnirostris breeding in northern Kachin State (Burma/Myanmar) and
taxonomic implications for the Cyornis-group. J. Ornithol. 150 (3):
Rasmussen PC, Anderton JC (2005) Birds of South Asia: the Ripley
Guide, 2 vols. Lynx Edicions, Barcelona.