Narrator: What would you do for the power to fly ... This, on the other hand, is what's called a chrysalis. It's not a sack or a pouch; it's actually the caterpillar's own body.

In the final caterpillar stage, the imaginal discs begin to activate, and with the decline of juvenile hormones, another ...

The process of how caterpillars change into butterflies. Caterpillars grow, feed and then transform from a chrysalis to a beautiful colourful butterfly before our very eyes. This clip is from the ...