1. antelope   hiena   chacal   antílope   reno   Hint Half-n-half Clue   2. hippopotamus   hipopótamo   antílope   koala   canguro   Half-n-half Clue   3. whale   ballena   oso polar   buey   bisonte   Half-n-half Clue   4. polar bear   oso polar   morsa   puerco espín   chimpancé   Half-n-half Clue   5. shark   burro, asno   pingüino   tiburón   gorila   Half-n-half Clue   6. porcupine   puerco espín   tiburón   oso polar   leopardo cazador   Half-n-half Clue   7. reindeer   reno   puerco espín   leona   delfín   Half-n-half Clue