Pollinators Sprout: The Des Moines Urban Youth Learning Garden at Drake University The Monarch Butterfly And Spermataphores 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 Butterflies: Warming Up What kind of fine gentleman is this and why does it vibrate and throw hands?