1. Canis familiaris   man   rat   dog   camel   Hint Half-n-half Clue   2. Elephas maximus   tiger   elephant   lion   leopard   Half-n-half Clue   3. Rana tigrina   frog   lion   leopard   tiger   Half-n-half Clue   4. Canis lupus   cow   elephant   camel   wolf   Half-n-half Clue   5. Equus caballus   giraffe   zebra   elephant   horse   Half-n-half Clue   6. Alopex lagopus   wolf   giraffe   fox   zebra   Half-n-half Clue   7. Panthera pardus   tiger   wolf   lion   leopard   Half-n-half Clue