勇闯天际线剧情简介
Shorebirdsaretheworld’sgreatestenduranceathletes.Theymigratenon-stopforupto9dayswithoutfoodorwater:thelongestknownmigrationofanyspecies.Flyingthousandsofmilesalongancientflyways,theytravelfromtheirfeedinggroundsintheSouthernHemispheretotheHighArcticandbackagain.Butinjust30years,populationshavedeclinedprecipitously.Flywa...
