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 April 1785, although even then his relationship with the trio of rebel singers did not improve very much. In a report to his superiors, Dauvergne described Lays as the black sheep of the group, Rousseau as a "nice young man", if only he had spent less time in the company of Lays, and Chéron as another "nice young man" (with the mind of a twelve-year-old), but scared of the beating Lays and Rousseau had promised him if he betrayed their alliance. In the end, the three had to bow to pressure from the theatre management, although not before being promoted