What the powder on butterfly wings really is and how it protects them The Times of India Butterfly Wings & Their Function The Art of Ecology Ever notice a monarch butterfly vibrating its wings? This isnt just random behaviorits a survival strategy called Shivering. Especially when temperatures drop, monarchs vibrate their wings to 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