Caterpillars grow, feed and then transform from a chrysalis to a beautiful colourful butterfly before our very eyes. This clip is from the series Wonders of Nature. This clip could be used in the ...

Have you ever watched a caterpillar transform into a butterfly? A caterpillar does ... Now, the smartphone can even make video calls. Suppose you ask me what I envision myself to be.

The less food, the more likely caterpillars were to try to head-butt each other out of the way to get their fill, lunging and knocking aside other caterpillars to ensure their own survival.