9.0电影 · 2015 · 美国 · 剧情 纪录片 冒险 

Julia / Huffman / Jim / Brandenburg / 珍·古道尔 / 萨吉诺·格兰特 / Julia / Huffman / Larry / Stillday / John / Vucetich / 

　　After 40 years of protection, Grey wolves were recently de-listed federally from endangered specie