1. Diceros bicornis   rhinoceros   whale   leopard   camel   Hint Half-n-half Clue   2. Homo sapiens   whale   man   elephant   rat   Half-n-half Clue   3. Equus caballus   horse   zebra   giraffe   elephant   Half-n-half Clue   4. Panthera tigris   lion   tiger   leopard   wolf   Half-n-half Clue   5. Felis domesticus   fox   camel   man   cat   Half-n-half Clue   6. Panthera pardus   lion   tiger   wolf   leopard   Half-n-half Clue   7. Panthera leo   man   cat   lion   dog   Half-n-half Clue