Presents a study of gray whales, their habitat, size, and what they eat, migration patterns, breeding, whaling, and the effort to keep them from extinction.
Discusses bat anatomy, their habits, and habitats; prejudices against bats; their decline in numbers; their importance to the environment; conservation efforts.
Discusses the physical characteristics and behavior of the species of puma known as the Florida panther, threats to its existence, and efforts to protect these animals.
Describes the physical characteristics, behavior, and history of various species of endangered wolves and attempts being made to ensure their survival.