信息不完整 “Language endangerment in South America: The clock is ticking” (167-234) . Crevels, Mily (2012) , Lyle Campbell and Veronica Grondona · Mouton de Gruyter
濒危
20 percent certain, based on the evidence available
645
645
地点
Brazil
信息不完整 “Ethnologue: Languages of the World, 16th Edition (2009)” . M. Paul Lewis · SIL International
近危
20 percent certain, based on the evidence available
1,300
地点
Brazil
地点描述
Western Mato Grosso.
信息不完整 “Atlas of the World’s Languages in Danger” . Christopher Moseley (ed.) (2010) UNESCO Publishing