Аренга суматранська Myophonus melanurus

Chunky dark blue bird with a small bill and a short tail. Note iridescent spangling on the neck and brow of the male; female is plainer, with less iridescence. Endemic to Sumatra, where it can be found along streams in damp and mossy mountain and foothill forests. Forages actively on the ground and up in streamside trees. Calls include a piercing descending whistle and strange grating notes.