David Portnoy, a 15-year-old birding fanatic, thinks that he's made the discovery of a lifetime. So, on the eve of his father's remarriage, he escapes on an epic road trip with his best friends to solidify their place in birding history.想要看更多的《观鸟者指导大全》相关影视作品，请关注www.xfwgzx.com！