Learners discuss some key debates associated with the topic, read an article
about endangered languages and discuss prescriptivist and descriptivist approaches.
Many people know
about the threatened polar bear and extinct passenger pigeon, but few have heard of
endangered and extinct
languages such as Eyak in Alaska, whose last speaker died in 2008, or Ubykh in Turkey, whose last fluent speaker died in 1992, says Tatsuya Amano, a zoologist at the University of Cambridge in the United Kingdom and lead author of the new study.