Yungas Manakin is little known, although it is common in its range. It is found from southern Peru south to central Bolivia, at mid elevations in the Andes, between 600-2200 m. It is a classic "blue-backed" manakin (Chiroxiphia), but Yungas Manakin lacks the elongated central tail feathers that are characteristic of several other species in this genus. It is very much like the Blue-backed Manakin (Chiroxiphia pareola), but Yungas Manakin has a noticeably longer tail, a dark red crown and dark (not orange-yellow) tarsi. Up until recently the Yungas Manakin was considered a subspecies of the Blue-backed, although ecologically and vocally it is clearly different. The common contact call is a whip-like "tweew …tweew….tweew", often doubled notes, or sometimes tripled. When doing the full lekking display Yungas Manakin gives a buzzy, insectlike trill that appears to be produced by the wings. Note that the outer three primaries have odd thickened shafts, with reduced barbs. This manakin is found in yungas forest (humid montane forest), usually in the low to mid-story, in a slight opening in the montane forest. Presumably it feeds on fruit, although this is not studied. Female Yungas Manakins are greenish all over and rather inconspicuous.