\Lyre" bird`\ (Zo["o]l.) Any one of two or three species of Australian birds of the genus {Menura}. The male is remarkable for having the sixteen tail feathers very long and, when spread, arranged in the form of a lyre. The common lyre bird ({Menura superba}), inhabiting New South Wales, is about the size of a grouse. Its general color is brown, with rufous color on the throat, wings, tail coverts and tail. Called also {lyre pheasant} and {lyre-tail}.