Why Can't We Hear the Sound of Butterflies Flapping Their Wings? by Miraculous Medium Why do monarch butterflies shiver? They do this to increase their body temperature by warming their muscles so they can take flight., Photo Courtesy of Community Member Julie Bthanks Julie! Do Butterfly Wings Overheat Under the Sun? How thin, delicate butterfly wings keep from overheating UC Davis Research: How Loss of Migration Affects Monarch Butterfly Wings Entomology & Nematology News Luna moth warming up for take off!, Did you know moths will vibrate their wings to warm up their flight muscles? If the temperature isn't quite high enough, #butterflies and #moths need to warm up to