What causes shaking in monarch butterflies? Can Butterflies Hear? Butterflies don't have mouths or tastebuds, so how DO they taste their food? With their feet, obvs. #insects #insect #butterfly #butterflygarden 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 Member Julie Bthanks Julie! Love is in the air: how butterflies date Natural History Museum