adults,    animals,    aves,    beaks,    bicolor,    bicolour,    bills,    birds,    black-white,    carries,    clouded,    cloudiness,    clouds,    cloudy,    common,    fishes,    flies,    flight,    format,    laterally,    marsupials,    outdoors,    outside,    swallows,    terns,    two-colored,    two-coloured,