Ostrich, e.g

• Ostrich or emu
• Kiwi, e.g
• Kiwi or ostrich
• Cassowary or kiwi, e.g
• Cassowary, for one
• Kiwi, e.g.
• Emu or moa

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].

Wikipedia Word definitions in Wikipedia
A ratite is any of a diverse group of large, flightless birds of the infraclass Palaeognathae . The systematics involved have been in flux. Some sources state that ratites include all the flightless birds of the Palaeognathae; previously, all these birds ...