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 All about butterflies and moths Why Can't We Hear the Sound of Butterflies Flapping Their Wings? by Miraculous Medium Why does my butterfly keep hanging upside down and vibrate? Beating the Heat in the Living Wings of Butterflies BNL Newsroom