Largest organisms is frequently poorly documented and many are subject to conjecture and estimation. The largest living bird, a member of the Struthioniformes, is the common ostrich ("Struthio camelus"), from the plains of Africa and Arabia. A large male ostrich can reach a height of and weigh over . A mass of has been cited for the common ostrich but no wild ostriches of this weight have been verified. Eggs laid by the ostrich can weigh and are the largest eggs in the world today. The largest bird in the fossil record may be the extinct elephant birds ("Aepyornis") of Madagascar, which
François Lays determined to abandon a career in the Church and became increasingly active as a singer, joining the cathedral choir and accepting invitations to perform at local salons. In Toulouse, Lays formed a lifelong friendship with the young lawyer Bertrand Barère, the future French Revolutionary politician and member of the Committee of Public Safety. Barère introduced Lays to the city's Enlightenment circles. On Easter Sunday 1779, Lays was singing the liturgy in the cathedral when he was heard by the Intendant Royal of Languedoc. Following the recruitment practice then used by Académie Royale de Musique (the Paris Opéra), the Intendant decided