1. beaver   bisonte   galápago   león marino   castor   Hint Half-n-half Clue   2. bat   comadreja   nutria   león marino   murciélago   Half-n-half Clue   3. rhinoceros   rinoceronte   asno, burro   puerco espín   pulpo   Half-n-half Clue   4. turtle   carnero   chita, leopardo    foca   galápago   Half-n-half Clue   5. bison   bisonte   carnero   perro dogo   morsa   Half-n-half Clue   6. ox   buey   hiena   gorila   tiburón   Half-n-half Clue   7. kangaroo   comadreja   chacal   canguro   yegua   Half-n-half Clue