How thin, delicate butterfly wings keep from overheating 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! Warm Up Exercises of Moths: Understanding Wing Movement If You Touch a Butterfly's Wings, Can It Still Fly? Vibrating Thorax Sets Flies' Wings A flutter Biological Strategy AskNature Butterfly Flying Device Flitonic