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. 想看更多的未知相关观鸟者指导大全,请关注我们的网站:www.xzggjyzpw.com
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