Outback bird (3)
I believe the answer is:
emu
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">outback bird</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for emu that I've seen before include "Aussie bird" , "Large Australian flightless bird" , "it'll never fly!" , "that doesn't get off the ground" , "Hull's character" .)