L1 users: 9,600 (Moore 2006). 7,000 monolinguals.
Mato Grosso state: 6 noncontiguous reservations. 80 villages.
Vigorous. All domains. All ages. Positive attitudes. Also use Portuguese [por]. About 3,000 speak it some, but with Brazilians only.
Latin script [Latn].
In 1950s contact with outsiders began and diseases killed hundreds. Forced to abandon seminomadic means of survival when placed on reservations. Learned swidden agriculture. During the transition many died. Traditional religion, Christian.