剧情介绍
Butterflieshavebeenmakingourplanetbeautiful,andtodayaround20,000differentspeciesinhabittheglobe.Thisepisodefollowstheirlivesfromeggtocaterpillartochrysalistotheemergenceofthemature,wingedcreature,anddepictstheirsurvivaltechniquesincludingtheirincrediblevision,chemicalweaponryandfantasticflightacrosscontinents.Theyaretheonlyinsectthatcanmakethelongestmigration. 展开全部
