Did you know the monarch is the only butterfly to migrate back and forth from their winter and summer habitats like birds? Join Deane Bowers at the CU Museum of Natural History on Oct. 18 at 7 p.m. as she explains the amazing monarch migration: from the discovery of the monarch overwintering sites, to the ecology and physiology that allows this fascinating life history, to what we know about how they do it. Lecture is free and open to the public.