Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Casuarius casuarius, 43.9, 56.1, 445, 160, 353, 419, 30.0, Dromaius novaehollandiae, 42.8, 57.2, 436, 153, 353, 435, 16.6,