The bright secret of butterfly wings What Do You Do For A Butterfly With Crinkled Wings? 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 Butterflies vs Moths: What are the differences? Brandywine Conservancy and Museum of Art Why Do Butterflies and Moths Have Such Detailed Wings?