1. leopard   Bos taurus   Equus caballus   Rana tigrina   Panthera pardus   Hint Half-n-half Clue   2. lion   Felis domesticus   Homo sapiens   Panthera leo   Rana tigrina   Half-n-half Clue   3. whale   Panthera pardus   Balaenoptera musculus   Rattus rattus   Canis familiaris   Half-n-half Clue   4. cow   Alopex lagopus   Giraffa camelopardalis   Bos taurus   Felis domesticus   Half-n-half Clue   5. dog   Balaenoptera musculus   Canis familiaris   Giraffa camelopardalis   Felis domesticus   Half-n-half Clue   6. horse   Rattus rattus   Homo sapiens   Giraffa camelopardalis   Equus caballus   Half-n-half Clue   7. fox   Homo sapiens   Alopex lagopus   Diceros bicornis   Panthera pardus   Half-n-half Clue