Linguistic analysts predict that 90 per cent of the world’s languages will disappear by the end of this century and topping the threatened list are Australian Indigenous languages.

Adelaide University’s linguistics professor Ghil’ad Zuckermann is urging the Australian community to preserve Aboriginal and Torres Strait Islander languages, saying they should be better recognised as part of the country’s heritage.

Nance Haxton reported this story for AM, Radio National, on Tuesday, April 10, 2012. With Leonora Adidi.