1. horse   Equus zebra   Diceros bicornis   Balaenoptera musculus   Equus caballus   Hint Half-n-half Clue   2. tiger   Panthera tigris   Elephas maximus   Equus zebra   Bos taurus   Half-n-half Clue   3. wolf   Canis familiaris   Panthera pardus   Canis lupus   Alopex lagopus   Half-n-half Clue   4. cow   Canis familiaris   Alopex lagopus   Equus caballus   Bos taurus   Half-n-half Clue   5. dog   Panthera leo   Canis familiaris   Diceros bicornis   Felis domesticus   Half-n-half Clue   6. cat   Panthera tigris   Rattus rattus   Felis domesticus   Giraffa camelopardalis   Half-n-half Clue   7. giraffe   Giraffa camelopardalis   Alopex lagopus   Rana tigrina   Panthera tigris   Half-n-half Clue