地平线系列：后院的猎食者 Horizon: Predators in Your Backyard (2011)认领

　　Across the world scientists are releasing predators, nature's ultimate killers, close to where people live. 　　In Florida, a new population of panthers, feared as ambush predators, have been released near to the busy town of Naples. In the Italian Alps, bears have been reintroduced after they became virtually extinct, and now try to get into people's homes in the middle of the nig...