相关Birdsknowwheretogowh的文学知识

问题详情：Birdsknowwheretogowhenit’stimetomigrate.TheygetsomeofthatsuperbsenseofdirectionfromtheirabilitytospotEarth’smagneticfield.Thatmagneticsenseactsabitlikeacompassusedbyhumanhikers.Buttheenergyc...