Why do monarch butterflies shiver? They do this to increase their body temperature by warming their muscles so they can take flight., Photo Courtesy of Community Member Julie Bthanks Julie! Monarch Butterfly Surgery Ecosystems Flamingo Magazine 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 Butterflies vs Moths: What are the differences? Brandywine Conservancy and Museum of Art