1. Diceros bicornis   giraffe   fox   dog   rhinoceros   Hint Half-n-half Clue   2. Balaenoptera musculus   dog   whale   rhinoceros   man   Half-n-half Clue   3. Camelus dromedarius   elephant   camel   lion   cat   Half-n-half Clue   4. Homo sapiens   man   tiger   rhinoceros   fox   Half-n-half Clue   5. Canis lupus   zebra   giraffe   horse   wolf   Half-n-half Clue   6. Equus zebra   lion   leopard   zebra   frog   Half-n-half Clue   7. Alopex lagopus   wolf   zebra   fox   giraffe   Half-n-half Clue