Largest organisms were related to the ostrich. They exceeded in height and . The last of the elephant birds became extinct about 300 years ago. Of almost exactly the same upper proportions as the largest elephant birds was "Dromornis stirtoni" of Australia, part of a 26,000-year-old group called mihirungs of the family Dromornithidae. The largest carnivorous bird was "Brontornis", an extinct flightless bird from South America which reached a weight of and a height of about . The tallest carnivorous bird was "Kelenken", which could reach 3 to 3.2 meters in height and 220 to 250 kilograms. The tallest bird ever was
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