Here's what you might not know about what's inside a caterpillar's "cocoon." Contrary to popular ... opportunity to do what they do best: build a butterfly. You see, each disc contains the genetic ...

The transition from caterpillar to butterfly is a process that consists of four stages: egg, larva, pupa, and adult. Observe one caterpillar as it developments into a gorgeous winged insect.

The outer skin hardens, and, over time, the caterpillar develops its body inside the cocoon. It digests itself and rebuilds itself, too. It eventually transforms into a beautiful butterfly.