简介：Butterflies have been making our planet beautiful, and today around 20,000 different species inhabit the globe.This episode follows their lives from egg to caterpillar to chrysalis to the emergence of the mature,winged creature,and depicts their survival techniques including their incredible vision, chemical weaponry and fantastic flight across continents.They are the only insect that can make the longest migration.小小影视为您提供《蝶变》免费在线观看，及播出时间。喜欢的话，不要忘记分享给好友哦
