Chris Packham's Animal Einsteins episode 3

Chris Packham's Animal Einsteins episode 3: Finding somewhere to keep safe is one of the biggest challenges an animal faces. But some animals don’t have to find a safe place - they build one. In this episode, Chris reveals some of the best building animals in the world - a group that is incredibly varied. Accomplished animal architects include everything from beavers to bees and prairie dogs to bowerbirds. They don’t only build homes, however - they also make structures to raise their young, store food, catch prey and impress mates. But what can be learnt from their building brilliance?