Why do some animals build structures and others don't? And how do animals decide where to build? Animal homes need to be safe and secure, protection from predators and the weather. Going above ground and under, we will investigate just what goes into making a home when you re wild and cost is not a factor.

Cast:Chris Morgan,

Genre:Documentary, TV Movie,

country:United States of America,

Production:PBS International, Rubin Tarrant Productions,