ratite

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ratite

any flightless bird that lacks a keel on the sternum, for example, ostrich, rhea or emu.

ratite

a running bird with flat, raft-like sternum and strong muscular legs, e.g. ostrich.
References in periodicals archive ?
2005; RYDER & DURAES, 2005; DONOHUE & DUFTY, 2006), permitiendo una clara diferenciacion genica (y sexual, en este caso), contrario a lo reportado en Ratitae, donde los genes CHD-Z y CHDW, son indistinguibles (GRIFFITHS et al.