Gallinule (7)
I believe the answer is:
moorhen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gallinule</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that moorhen is a type of gallinule)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for moorhen that I've seen before include "Bird - hormone (anag)" , "pond bird" , "Water bird" , "Medium-sized, blackish aquatic bird with long toes" , "Black waterbird" .)