Australian animal (8)
I believe the answer is:
kangaroo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">australian animal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(informal term for a kangaroo)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for kangaroo that I've seen before include "Native marsupial Down Under" , "Would anorak go on the animal?" , "Marsupial (both parts 4's friends)" , "Australian animal -- a no-go ark (anag)" , "Bounding marsupial" .)