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 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 Butterflies Have Super Power Senses Celebrate Planet Earth 5 Basic Butterfly Behaviors to Know Birds and Blooms 10 Painted Lady Butterfly Facts for Kids Insect Lore Seismology meets botany: Geologist applies vibration science to saguaros