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 Physical and behavioral adaptations to prevent overheating of the living wings of butterflies Nature Communications Mutant butterflies reveal the genetic roots of colorful wings The Denver Post Butterfly Wings & Their Function The Art of Ecology Pixie Dust