1. penguin   nutria   chimpancé   pingüino   tiburón   Hint Half-n-half Clue   2. dolphin   puerco espín   yegua   delfín   pingüino   Half-n-half Clue   3. polar bear   pingüino   leona   pulpo   oso polar   Half-n-half Clue   4. antelope   antílope   murciélago   panda, oso panda   castor   Half-n-half Clue   5. panther   ballena   foca   delfín   pantera   Half-n-half Clue   6. bat   liebre   antílope   murciélago   oso polar   Half-n-half Clue   7. hyena   castor   hiena   canguro   pulpo   Half-n-half Clue