1. Camelus dromedarius   camel   zebra   elephant   fox   Hint Half-n-half Clue   2. Homo sapiens   leopard   man   giraffe   wolf   Half-n-half Clue   3. Felis domesticus   rhinoceros   cat   rat   giraffe   Half-n-half Clue   4. Bos taurus   zebra   cat   cow   horse   Half-n-half Clue   5. Panthera pardus   leopard   lion   wolf   tiger   Half-n-half Clue   6. Equus caballus   elephant   zebra   horse   giraffe   Half-n-half Clue   7. Rattus rattus   giraffe   tiger   rat   leopard   Half-n-half Clue