Fantastic facts about butterflies: Everything you need to know, according to science BBC Science Focus Magazine Lepidoptera Wikipedia Ever notice a monarch butterfly vibrating its wings? This isn't just random behaviorit's a survival strategy called Shivering. Especially when temperatures drop, monarchs vibrate their wings to generate heat and warm when butterflies live a natural lifespan, their wings show the evidence! rips, tears and weathering are a common occurrence during a butterflies life caused by general wear & tear, breeding, Butterflies' 'secret' to keeping cool hidden in wings Research News Why Do Butterflies and Moths Have Such Detailed Wings?