Extinct New Zealand bird (3)
I believe the answer is:
moa
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extinct new zealand bird</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 moa that I've seen before include "Extinct flightless NZ_bird" , "Gigantic extinct bird" , "Bird no longer" , "Early bird" , "bird that became extinct" .)