Tropical hoofed mammal (5)
I believe the answer is:
tapir
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tropical hoofed mammal</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 tapir that I've seen before include "Nocturnal hoofed animal" , "Browser" , "nocturnal beast" , "creature" , "Animal with elongated snout" .)