AP Blue Sky Science: Why do butterflies stay in a cocoon and for how long? May 22, 2019 Facebook Twitter SMS Email Print Save Caterpillars start out as tiny creatures. Eventually the caterpillar will be ready to transform into a butterfly or moth in a process called metamorphosis. Tags Wire Field59 Blue-sky-science More video Video: Santa Maria Police Chief Phil Hansen press conference on June 21 shooting and structure fire 'Burden of Truth' Sneak Peek: Tragedy Hits Close to Home for Joanna 'The Spanish Princess' Part A Finale Sneak Peek: Catherine Accused Facebook Twitter SMS Email Print Save Most Popular Two-vehicle collision at Harris Grade and Onstott leaves woman with moderate injuries Elevate Lompoc: New cannabis shop opens downtown, becoming third in city and county ICE expected to launch immigration raids this weekend One found dead following early morning apartment fire in Lompoc Cabrillo grad Sydney Townes not through with her sports yet, even after completing her NCAA softball career View All Promotions promotion spotlight What breed of puppy is perfect for you? promotion spotlight Are you ready for retirement?