DavidPortnoy,a15-year-oldbirdingfanatic,thinksthathe'smadethediscoveryofalifetime.So,ontheeveofhisfather'sremarriage,heescapesonanepicroadtripwithhisbestfriendstosolidifytheirplaceinbirdinghistory.
http://svip.bocai-zuida.com/2103/观鸟者指导大全-01.mp4
