Djugun dialect
Jukun or Djugun is an Australian Aboriginal language of Western Australia. . There are no longer any fluent speakers of Jukun, but some people may remember it to some degree.
References
Nekes, H.; Worms, E. A. (1953). Australian Languages. Fribourg: Anthropos Institut.
Stokes, B; McGregor, W. B. (2003). "Classification and subclassification of the Nyulnyulan languages". In N. Evans. The Non-Pama-Nyungan Languages of Northern Australia: Comparative Studies of the Continent’s Most Linguistically Complex Region. Canberra: Pacific Linguistics. pp. 29–74.