Common ostrich other members of Palaeognathae and thus the flighted tinamous are the sister group to the extinct moa. It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of or even up to about , the fastest land speed of any bird. The common ostrich is the largest living species of bird and lays the largest eggs of any living bird (extinct elephant birds of Madagascar and the giant moa of New Zealand laid larger eggs). The common ostrich's diet consists mainly of plant matter, though it also eats
François Lays in 1807 to celebrate Napoleon's return to the capital. Not wanting to hurt the French public's feelings, Alexander requested a staging of Spontini's "La vestale" instead, an opera in which Lays always assumed the role of Cinna. At the end of the performance, the angry audience forced Lays – still dressed in his Roman toga – to return to the stage and recite some popular verses thanking the tsar for restoring the Bourbons. According to the brothers Michaud, Alexander was moved to compassion by the sight of the terrified singer and sent one of his aides-de-camp on stage to reassure