How Flashy Wings, UV Light, and Seasons All Play a Role in One Butterfly Species' Mating Rituals All About Butterflies: Climate and Temperature Insect Lore 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: Warming Up The Monarch Butterfly And Spermataphores