The most famous animal in the park is the unusual mallee fowl , the only mound - building bird to live in an arid region , and there is also the solitary insectivorous Southern Scrub - robin .
The most famous animal in the park is the unusual Malleefowl , the only mound - building bird to live in an arid region . 
 There is also the solitary insectivorous Southern Scrub - robin .