OK, this is weird: To ward off bats, these moths rub their genitals Help! This guy has been been vibrating like this for nearly half an hour, he looks like hes fighting paralysis, can I help him? Ever notice a monarch butterfly vibrating its wings? This isnt just random behaviorits a survival strategy called Shivering. Especially when temperatures drop, monarchs vibrate their wings to The moment she takes off and starts flying around their house @skylerstelz shared that despite butterflies having a very short lifespan, she was determined to see this butterfly fly again!