Ostrich-like bird
I believe the answer is:
rhea
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ostrich-like bird</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rhea that I've seen before include "Fast-running flightless bird" , "New World ostrich" , "South American bird resembling the ostrich" , "nonflyer" , "Small 'ostrich'" .)