1. kangaroo   erizo   delfín   liebre   canguro   Hint Half-n-half Clue   2. bison   castor   bisonte   carnero   morsa   Half-n-half Clue   3. octopus   león marino   pulpo   pantera   erizo   Half-n-half Clue   4. antelope   murciélago   ciervo   antílope   tiburón   Half-n-half Clue   5. ox   oveja   buey   antílope   león marino   Half-n-half Clue   6. ewe   yegua   oveja   leona   perro dogo   Half-n-half Clue   7. sea lion   yegua   tejón   comadreja   león marino   Half-n-half Clue