when butterflies live a natural lifespan, their wings show the evidence! rips, tears and weathering are a common occurrence during a butterflies life caused by general wear & tear, breeding, 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 Actin research shows how butterfly wings get their vibrant colors Tiny ears found on butterfly's wings