Prominent donkey features (4)
I believe the answer is:
ears
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prominent donkey features</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 ears that I've seen before include "Lugholes" , "One's hearing aids" , "Sense organs" , "''He who has ... to hear, let him hear'' (bible)" , "Auditors" .)