Any language with fewer than 300,000 speakers is regarded by international linguistics experts as endangered. The Butuanon language at present can only be spoken by fewer than 500 youngsters in Butuan itself. If the next generations of Butuanons are not taught Butuanon in school that will be the end of the Butuanon ethnolinguistic people.
Full article at http://www.manilatimes.net/national/2007/sept/06/yehey/opinion/20070906opi7.html