Natural world

Explains the physical characteristics, life cycle, habits, habitat, and endangered status of the tiger.

Introduces the behavior and life cycle of lions as they grow up, learn to hunt, and deal with threats.

Photographs and text describe grizzly bears and their lives.

Introduces the behavior and life cycle of gorillas as they grow from infancy to adulthood, leave home, and deal with threats.

A color-illustrated chronicle of the life of a giraffe, which describes its birth, physical characteristics, diet, habitat, behavior, breeding, and threats to its survival. Also includes a glossary and related resources.

Photographs and text follow a rhino calf as it takes its first steps in the African bush.

Text and color photos present various aspects of penguins' lives, including their birth, growth, habitat, diet, and threats to their survival.

Text and color photos present various aspects of crocodiles' lives, including their birth, growth, habitat, diet, and threats to their survival.

Presents information on the physical characteristics, behavior, habitat, and life cycle of the koala, a nocturnal marsupial found only in Australia.

A color-illustrated chronicle of the life of a leopard, which describes its birth, behavior and risks as a cub, prey and hunting methods, mating, and threats to its survival. Also includes a glossary and a list of related resources.