1. horse   Elephas maximus   Balaenoptera musculus   Equus caballus   Panthera pardus   Hint Half-n-half Clue   2. rhinoceros   Panthera pardus   Equus caballus   Diceros bicornis   Canis lupus   Half-n-half Clue   3. leopard   Panthera pardus   Camelus dromedarius   Giraffa camelopardalis   Felis domesticus   Half-n-half Clue   4. lion   Homo sapiens   Diceros bicornis   Panthera leo   Canis lupus   Half-n-half Clue   5. tiger   Panthera tigris   Bos taurus   Camelus dromedarius   Rana tigrina   Half-n-half Clue   6. frog   Panthera leo   Equus caballus   Rana tigrina   Alopex lagopus   Half-n-half Clue   7. cat   Alopex lagopus   Balaenoptera musculus   Felis domesticus   Equus zebra   Half-n-half Clue