This work investigates the rapid decline of global wildlife populations and the urgent necessity for conservation efforts to preserve endangered species. Eugen Schuhmacher, a renowned naturalist and filmmaker, utilizes his extensive field research and photographic expeditions to document the precarious state of animals on the brink of extinction. The book presents a compelling argument for human responsibility in protecting biodiversity through a combination of visual evidence and scientific observation.

The text serves as a significant historical record of mid-century conservation efforts, reflecting the era's growing awareness of ecological fragility. Its combination of field photography and observational prose provides a dense, informative look at the state of global wildlife during a pivotal period in environmental history.