How Flashy Wings, UV Light, and Seasons All Play a Role in One Butterfly Species' Mating Rituals Tiny Structures Help Butterflies Soar Biological Strategy AskNature Butterflies are tiny solar powered flyers! Butterflies are coldblooded and often sunbathe with wings openjust to warm up enough to fly. They can increase their internal temperature by vibrating their wings. You Butterflies are tiny solar powered flyers! Butterflies are coldblooded and often sunbathe with wings openjust to warm up enough to fly. They can increase their internal temperature by vibrating their wings. You Butterfly Wings & Their Function The Art of Ecology