http://www.gamesradar.com/pc/videos/l-Z/s-a-zhttp://www.gamesradar.com/pc/zoo-tycoon-2-extinct-animals/videos/g-20070712134655661084/v-2007081012473521070Here comes the biggest expansion pack to date for Zoo Tycoon 2, which lets gamers bring animals that once roamed the Earth back to life. PC videoAug 10, 2007