in Salta Province, and 304 counted in the Paraguayan Chaco. Avá (Chané, Tapieté) and Izoceño are dialects. In Argentina it is known as Western Argentine
Formed by Guarayos, Pausernas, Sirionos, Chiriguanos, Wichí, Chulipis, Tapietes [es], Tobas and Yuquis. Tacanas: Formed by Tacanas, Lecos, Ese Ejas, Araonas