So Ive never seen this shaking before. This male is about 4 hours after eclose. Was walking on the ceiling and flapping wings normally. , Flew onto leg and shook a while. Later flew off and onto Why do monarch butterflies shiver? They do this to increase their body temperature by warming their muscles so they can take flight. Photo Courtesy of Community Monarch Butterfly Garden Facebook Vibrations in the Breast: Should I Worry? 10 Painted Lady Butterfly Facts for Kids Insect Lore 5 Basic Butterfly Behaviors to Know Birds and Blooms