1. beaver   castor   koala   reno   yegua   Hint Half-n-half Clue   2. seal   ciervo   foca   pulpo   reno   Half-n-half Clue   3. bat   bisonte   rinoceronte   murciélago   delfín   Half-n-half Clue   4. hippopotamus   hipopótamo   sapo   hiena   liebre   Half-n-half Clue   5. reindeer   pingüino   pantera   reno   chimpancé   Half-n-half Clue   6. hyena   hiena   erizo   sapo   antílope   Half-n-half Clue   7. bison   bisonte   canguro   ballena   hipopótamo   Half-n-half Clue