This book investigates the biological and evolutionary motivations behind the observable behaviors of common zoo animals. Janine M. Benyus, an experienced science writer, utilizes observational data and ethological principles to explain why animals perform specific actions like dancing, roaring, or somersaulting. The text provides a structured framework for visitors to interpret animal activity beyond mere entertainment, grounding these behaviors in the context of survival, communication, and social hierarchy.

Experts and readers recognize this work as an accessible entry point for understanding animal ethology in a captive setting. The prose is noted for its clarity and ability to translate complex biological concepts into practical observations for the general public.