1. zebra   Equus zebra   Panthera leo   Camelus dromedarius   Felis domesticus   Hint Half-n-half Clue   2. camel   Bos taurus   Camelus dromedarius   Panthera tigris   Elephas maximus   Half-n-half Clue   3. fox   Alopex lagopus   Elephas maximus   Bos taurus   Panthera pardus   Half-n-half Clue   4. tiger   Alopex lagopus   Panthera tigris   Canis familiaris   Rana tigrina   Half-n-half Clue   5. cat   Canis familiaris   Balaenoptera musculus   Felis domesticus   Diceros bicornis   Half-n-half Clue   6. whale   Balaenoptera musculus   Diceros bicornis   Elephas maximus   Rattus rattus   Half-n-half Clue   7. rhinoceros   Canis lupus   Alopex lagopus   Diceros bicornis   Balaenoptera musculus   Half-n-half Clue