warplane, military plane
['golfcart, golf cart', 'balloon', 'trolleybus, trolley coach, trackless trolley', 'African crocodile, Nile crocodile, Crocodylus niloticus', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'ostrich, Struthio camelus', 'black swan, Cygnus atratus']