What is the crossword answer for the clue: Extinct flightless bird

MOA - a 3 letter word may be the answer you are looking for!

DODO - a 4 letter word may be the answer you are looking for!

RHO - a 3 letter word may be the answer you are looking for!

GREATAUK - a 8 letter word may be the answer you are looking for!

Extinct flightless bird

3 Character Answers:

MOA

RHO

4 Character Answers:

DODO

8 Character Answers:

GREATAUK