1. beaver   gorila   castor   pulpo   panda, oso panda   Hint Half-n-half Clue   2. mare   murciélago   bisonte   morsa   yegua   Half-n-half Clue   3. penguin   pingüino   yegua   liebre   panda, oso panda   Half-n-half Clue   4. walrus   koala   morsa   erizo   murciélago   Half-n-half Clue   5. shark   tiburón   buey   leona   erizo   Half-n-half Clue   6. polar bear   oso polar   puerco espín   murciélago   chacal   Half-n-half Clue   7. jackal   panda, oso panda   antílope   nutria   chacal   Half-n-half Clue