Northern trek

Color photos fill this overview of otters, which describes their physical characteristics, habitat, diet, hunting skills, behavior, and life cycle, as well as threats to their survival, and also lists places to view them.

Describes the behavior, habitat, physical characteristics, endangered status, and conservation of the North American mountain lion.

Discusses the history of the North American moose, its physical characteristics and habits, and efforts to preserve the species.

Discusses the history of the American bison, commonly called the buffalo, its physical characteristics and habits, and efforts to preserve the species.

Describes the physical characteristics, behavior, habitat, life cycle, and conservation of North American gray wolves.

Provides information about the lives and behaviors of red foxes, and includes color photographs, a listing of places to see foxes, and a glossary.

Provides information about the lives and behaviors of bighorn sheep. Includes a listing of places to see them.

Describes the physical characteristics, behavior, and habitat of the pronghorn antelope, and discusses threats these animals have faced.