horned viper, cerastes, sand viper, horned asp, Cerastes cornutus
['feather boa, boa', 'flatworm, platyhelminth', 'African chameleon, Chamaeleo chamaeleon', 'sunscreen, sunblock, sun blocker', 'marmot', 'common iguana, iguana, Iguana iguana', 'worm fence, snake fence, snake-rail fence, Virginia fence']