Butterflies: Scientists explain how they fly! BBC Newsround 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 This is the guy I wrote about yesterday who couldnt launch. Here is a video of him this morning. Do you think his wings are ok? Lisa Rudolph Featherngill Facebook How thin, delicate butterfly wings keep from overheating Do Butterfly Wings Overheat Under the Sun? Butterflies vs Moths: What are the differences? Brandywine Conservancy and Museum of Art