black swan, Cygnus atratus
['leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'submarine, pigboat, sub, U-boat', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'French horn, horn', 'projectile, missile', 'coil, spiral, volute, whorl, helix', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus']