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 marry his companion, even though it was against his father's wishes. Old Lay was furious that his eldest child, who enjoyed a successful career, was marrying a foreign woman with no property. The couple went on to have four more children, including one son who would unwittingly cause Lays enormous grief. In the same year, Lays politely refused Napoleon's invitation to join him on his expedition to Egypt. Nevertheless, the pair remained on friendly terms and between 1801 and 1802, Lays – who had often performed in Josephine's salons – became chief singer of the Chapel Napoleon had established at