Endangered mammal (5)
I believe the answer is:
panda
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">endangered 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 panda that I've seen before include "Bamboo-eating mammal" , "Racoon-like animal" , "Bamboo-eater" , "Giant, red, Chinese mammal" , "See 11" .)