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 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 Butterfly, Moth, and Skipper San Diego Zoo Animals & Plants Butterflies' 'secret' to keeping cool hidden in wings Research News