Butterflies' 'secret' to keeping cool hidden in wings Research News 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 Can a Butterfly Flapping Its Wings Really Cause a Hurricane? Butterfly Flight in Slow Motion! Butterflies vibrate wings to warm up in cold weather The beautiful madness of the butterflies' dance Butterflies The Guardian