Examines partnerships between two different species of animals that provide one or both of the partners with food, protection, transportation, or a way to keep clean.
Explores the issue of whether or not animals are capable of thinking, learning, remembering, and expressing creativity, giving examples of animal behavior that appears to be truly intelligent.
Examines the many reasons for the extinction and near-extinction of animal species. Discusses how some near-extinctions have been reversed through special breeding programs and legislation to save endangered species.