Speech-mimicking bird (4)
I believe the answer is:
myna
'speech-mimicking bird' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for myna that I've seen before include "Bird good at mimicry" , "Talkative bird" , "Asian bird" , "Bird that's a good mimic" , "Asiatic bird imitating human speech" .)