ostrich, Struthio camelus
['koala, koala bear, kangaroo bear, native bear, Phascolarctos cinereus', 'ear, spike, capitulum', 'rock python, rock snake, Python sebae', 'scale, weighing machine', 'cricket', 'feather boa, boa', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus']