Flightless bird - Crossword Clue, Answer and Explanation

'flightless bird' is the definition.
(emu is a kind of flightless bird)

This is all the clue.

(Other definitions for emu that I've seen before include "Big bird" , "Ostrich-like bird" , "Hull's character" , "it can't get off the ground" , "Australian bird related to the ostrich" .)

I've seen this clue in The Star Tribune, The Independent, The Sun, the King Feature Syndicate, the Penny Press, The Telegraph, the LA Times, the Evening Standard, The Irish Times, The Times and The Mirror.

(Other definitions for sri that I've seen before include "Indian title of respect" , "Indian address" , "Asian gentleman" , "... Lanka, formerly Ceylon" , "Country formerly Ceylon" .)

I've seen this clue in The Star Tribune, The Independent, The Sun, the King Feature Syndicate, the Penny Press, The Telegraph, the LA Times, the Evening Standard, The Irish Times, The Times and The Mirror.

'flightless bird' is the definition.
(I know that ostrich is a type of flightless bird)

This is all the clue.

(Other definitions for ostrich that I've seen before include "Creature" , "A bird for the shirt co." , "Runner" , "Emu-like bird" , "Nut-burying type" .)

I've seen this clue in The Independent, The Star Tribune, The Sun, the Penny Press, the Sydney Morning Herald, The Telegraph, the Evening Standard, The Times and The Mirror.

'flightless bird' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for penguin that I've seen before include "Swimming bird" , "Waddling bird" , "King or emperor?" , "Antarctic seabird with flippers for wings" , "Black-and-white antarctic bird" .)

I've seen this clue in The Independent, The Star Tribune, The Sun, the Penny Press, the Sydney Morning Herald, The Telegraph, the Evening Standard, The Times and The Mirror.

'flightless bird' is the definition.
(I know that rhea is a type of flightless bird)

This is all the clue.

(Other definitions for rhea that I've seen before include "S American runner" , "Titaness" , "It can't fly" , "S. Amer. flightless bird" , "Large flightless bird" .)

I've seen this clue in The Star Tribune, The Independent, the King Feature Syndicate, the Penny Press, the Sydney Morning Herald, The Telegraph, the Evening Standard, The Irish Times, The Times and The Mirror.

(Other definitions for dodo that I've seen before include "Large extinct bird" , "Bird (whose style of very out of fashion)" , "Repetitive extinct animal" , "Idiot" , "Flightless bird, extinct since the 17th century" .)

I've seen this clue in The Star Tribune, The Independent, the King Feature Syndicate, the Penny Press, the Sydney Morning Herald, The Telegraph, the Evening Standard, The Irish Times, The Times and The Mirror.

Flightless bird (4)