Panthers (8)
I believe the answer is:
leopards
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">panthers</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for leopards that I've seen before include "Animals that don't change their spots" , "Large spotted felines" , "Wild cats" , "Large felines of the forest" , "Breed of large cats" .)