Why Can't We Hear the Sound of Butterflies Flapping Their Wings? by Miraculous Medium Cu Monarch Butterfly Shaking Wings Angangueo Michoacan Mexico HD stock video Getty Images Butterfly, Moth, and Skipper San Diego Zoo Animals & Plants 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 Monarch Butterfly Surgery Ecosystems Flamingo Magazine Butterflies vs Moths: What are the differences? Brandywine Conservancy and Museum of Art