1. Panthera leo   cow   camel   lion   cat   Hint Half-n-half Clue   2. Canis familiaris   whale   horse   dog   lion   Half-n-half Clue   3. Equus caballus   giraffe   elephant   horse   zebra   Half-n-half Clue   4. Panthera pardus   tiger   leopard   lion   wolf   Half-n-half Clue   5. Homo sapiens   giraffe   frog   man   camel   Half-n-half Clue   6. Camelus dromedarius   rat   camel   dog   whale   Half-n-half Clue   7. Bos taurus   camel   man   frog   cow   Half-n-half Clue