Across the planet, every animal--predator or prey--has survival advantages honed by millions of years of evolution. Watch some of nature's most accomplished survivors as they put their talents to the test, with their very lives at stake.
片长：
23分钟
语言：
英语
上映：
2015-12-17(美国)
更新：
2025-08-28
备注：
第6期
豆瓣：进攻和防守
