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 Why Do Some Monarch Butterflies Have Crumpled Wings? Caring For an Injured Butterfly Butterflies vibrate their wings for an array of reasons: to regulate their temperature, to ward off predators, or to strengthen their wings. We learn so much about our environment when critters come I found a butterfly but it won't fly. It's not dead because it moves but it won't fly. What do I do? : r Butterflies