Pygmy antelope (5)
I believe the answer is:
oribi
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pygmy antelope</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 oribi that I've seen before include "small hoofed beast" , "Beastly sort" , "Graceful runner" , "One grazing" , "Small African antelope" .)