Large hawk (6)
I believe the answer is:
osprey
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">large hawk</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 osprey that I've seen before include "Lakeland bird" , "Large bird that fishes inland waters" , "The fishing eagle" , "One flying" , "Large bird that preys on fish in inland waters" .)