Extinct flightless bird (3)
'extinct flightless bird' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for moa that I've seen before include "was hunted by Maori" , "Extinct flightless bird of New Zealand" , "Old bird" , "Bird's gone for ever" , "Bird that died out" .)
'extinct flightless bird' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for great auk that I've seen before include "Bird no longer around" , "Extinct seabird" , "Extinct sea bird" , "Extinct flightless bird" .)