Pixie Dust How thin, delicate butterfly wings keep from overheating Butterfly Wings & Their Function The Art of Ecology 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 Bionic butterfly wings are ultimate heat sensors New Scientist Did you know Monarch butterflies shiver their wings to stay warm? When temperatures drop, these delicate pollinators vibrate their wings rapidly in a behavior called shivering. This tiny motion generates heat, helping