The term CASSOWARY is a large, flightless bird native to the tropical forests of New Guinea and northeastern Australia. It is part of the RATITE family, which includes other large, flightless birds such as the EMU and RHEA. The four-letter solution EMUS refers to the plural form of the EMU, while RATITE is a six-letter solution referring to the RATITE family. The three-letter solution EMU is another name for the EMU, and RHEA is a four-letter solution referring to the RHEA.