16 Purple Butterfly Meanings: What Do They Symbolize? UniGuide 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 Butterfly ClapFling Flight Mechanisms Observed by Schlieren Imaging for the Design of Bio Inspired Micro Air Vehicles Pollinators Sprout: The Des Moines Urban Youth Learning Garden at Drake University Fantastic facts about butterflies: Everything you need to know, according to science BBC Science Focus Magazine