Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Casuarius casuarius, 45.8, 54.2, 99, 37, 79, 82, 30.0, Dromaius novaehollandiae, 41.4, 58.6, 87, 36, 91, 83, 16.6,