1. porcupine    nezumi   harinezumi   osuushi, osūshi   yamaarashi, yamārashi   Hint Half-n-half Clue   2. rhinoceros    pengin   ashika   kame   sai   Half-n-half Clue   3. hyena    chiitaa, chītā   tategamiinu   hyou, hyō   kawauso   Half-n-half Clue   4. dolphin   koumori, kōmori   hyou, hyō   iruka   kawauso   Half-n-half Clue   5. walrus    roba   seiuchi   kumaneko, panda   bison   Half-n-half Clue   6. octopus    tako   harinezumi   kujira   azarashi   Half-n-half Clue   7. gorilla    gorira   reiyou, reiyō   ashika   roba   Half-n-half Clue