Avian creature (4)
I believe the answer is:
bird
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">avian creature</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 bird that I've seen before include "Creature - time in prison" , "Booby, for example" , "Prison time (slang)" , "chat, perhaps?" , "Egg-laying creature" .)