1. Bison   bison   porcupine   stag   penguin   Hint Half-n-half Clue   2. Nashorn   seal   rhinoceros   panda   octopus   Half-n-half Clue   3. Seelöwe   otter   hyena   sea lion   ox   Half-n-half Clue   4. Gorilla   gorilla   chimpanzee   stag   ram   Half-n-half Clue   5. Wal   cheetah   badger   hippopotamus   whale   Half-n-half Clue   6. Otter   porcupine   gorilla   otter   octopus   Half-n-half Clue   7. Dachs   stag   hare   bulldog   badger   Half-n-half Clue