Discusses the crocodiles of the world, the threats to their existence, such as hunting and habitat loss, and the efforts to save and protect them, including captive breeding, catch-and-release programs, and the use of parks and reserves.

Describes snakes and their habitats, and discusses reasons behind why they have become an endangered species.

Describes the physical characteristics and habits of bighorn sheep, threats to their health and habitats, and efforts to protect these wild mammals.

Examines the shrinking numbers of penguins due to the pollution of ocean waters and dangers from humans.

Introduces the anatomy, behavior, and life cycle of the eight species of sea turrles, and discusses the reasons they are endangered and conservation efforts.

Describes the physical characteristics of the chimpanzee and the conservation efforts being carried out to keep it from becoming extinct.

Introduces the anatomy, behavior, and life cycle of mountain gorillas, and discusses the reasons they are endangered and conservation efforts.

Introduces the anatomy, behavior, and life cycle of butterflies, and discusses the reasons they are endangered and recent conservation efforts.