Many an Australian bird

• Cassowary or kiwi, e.g
• Rhea, e.g
• Ostrich, e.g.
• Emu or moa
• Rhea or emu
• Kiwi or ostrich
• The kiwi is the smallest one

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Ratite \Rat"ite\ (r[a^]t"[imac]t), a. (Zo["o]l.) Of or pertaining to the Ratit[ae]. -- n. One of the Ratit[ae].

Wiktionary Word definitions in Wiktionary
n. A bird of the order of Struthioniformes, a diverse group of large running, flightless birds, mostly extinct, but including the cassowary, elephant bird, emu, kiwi, moa, ostrich, rhea and tinamou