Sturt National Park is preparing for the return of seven native creatures after being locally-extinct for more than 200 years.
Construction has begun on the two 20-square kilometre enclosures for the animals, with volunteers busy collection samples and mammals.
Animals that are returning include bandicoots, the greater stick-nest rat, burrowing bettongs, the crest tailed mulgara, the western quoll and, the first mammal to be introduction in 2-19 - bilbies.