Animals collectively (5)
I believe the answer is:
fauna
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">animals collectively</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for fauna that I've seen before include "Flora and - -" , "Region's animals" , "Animal life of an area" , "Local animal life" , "Wild animal life of an era" .)