The term 'Bird of Australia' can be summarized by two crossword solutions: EMU (3 letters) and EMEU (4 letters). The EMU is the largest bird native to Australia and the second-largest extant bird in the world after the Ostrich. It is a flightless bird with brown feathers, long legs, and a long neck. The Emeu is a smaller species of the same family, and is also flightless. Both birds are found in woodlands, grasslands, and shrublands throughout Australia.