L1 users: 960 (1995 SIL). Ethnic population: 1,530 (Moore 2006). Total users in all countries: 3,420.
Amazonas state: Terra Indígena Alto Rio Negro, sixty communities on Tiquié river and tributaries; border with Colombia.
None known. Lexical similarity: 90% with Siriano [sri].
Whistle speech reported.
Also use Tucano [tuo], more often than Desano.
Latin script [Latn].