Hill Blue Flycatcher (Cyornis Banyumas) or tledekan mountain and sea tledekan (Cyanoptila cyanomelana) is one of the birds Old World flycatcher family members.
The birds of the Old World flycatcher family has a lot of fans. In addition the booms tunable, beauty feathers and colors also become one of the advantages of the birds of the Old World flycatcher family.
As is known, in addition to tledekan sea, the birds of this family include rock thrush (Copsychus malabaricus), and kacer (Copsychus saularis).