1. chacal   otter   walrus   ewe   jackal   Hint Half-n-half Clue   2. ballena   hare   whale   rhinoceros   turtle   Half-n-half Clue   3. galápago   turtle   penguin   hippopotamus   octopus   Half-n-half Clue   4. canguro   rhinoceros   octopus   kangaroo   ox   Half-n-half Clue   5. leona   jackal   weasel   hare   lioness   Half-n-half Clue   6. perro dogo   lioness   bulldog   hyena   turtle   Half-n-half Clue   7. chita, leopardo    cheetah   kangaroo   beaver   ox   Half-n-half Clue