Linguistically the band falls into Schebesta's Sua category using KiBira for the most part as their camp language. They also use a great many KiLese words however and the local Bira affirm that they frequently cannot understand what they call "KiMbuti"
Mbuti Pygmy Bila
Mbuti of the Tetra/Tetri area speak Bira
Putnams pygmies of Epulu
Travelogue Pygmies of the Ituri who trade silently with the Babila