Just So Darwin: Episode 1 is no longer available. Programmes are available for a limited number of days after broadcast. Why?
Grandad Charlie tells Sam three stories about different animals.
In the first story Sam finds out why Muffed the camel is really useful in the desert. In his second story, grandad tells Sam about an animal that had to become used to the cold. In story three, Sam discovers who the best hunter in the water is.
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.