Animal behaviorists and wildlife filmmakers take a unique, scientific look at the impact emotions have on animal behavior and survival. In the hearts of animals we find such expressions as joy, surprise, anger, and grief as well as other emotions once considered exclusively human. A... [More]

Animal behaviorists and wildlife filmmakers take a unique, scientific look at the impact emotions have on animal behavior and survival. In the hearts of animals we find such expressions as joy, surprise, anger, and grief as well as other emotions once considered exclusively human. A Discovery Channel presentation narrated by Sigourney Weaver. [Less]