1. Panthera tigris   leopard   lion   wolf   tiger   Hint Half-n-half Clue   2. Bos taurus   fox   camel   cow   tiger   Half-n-half Clue   3. Balaenoptera musculus   giraffe   cat   tiger   whale   Half-n-half Clue   4. Canis familiaris   dog   rhinoceros   rat   lion   Half-n-half Clue   5. Canis lupus   wolf   horse   rat   leopard   Half-n-half Clue   6. Camelus dromedarius   tiger   rhinoceros   camel   wolf   Half-n-half Clue   7. Felis domesticus   cat   dog   man   camel   Half-n-half Clue