Polar bears are mammals -- Where do polar bears live? -- Polar bear's body -- What is a life cycle? -- Newborn cubs -- Growing up -- Adult polar bears -- Mating season -- Ready for the cubs -- On the hunt -- Feasting and fasting -- Important arctic animals -- Threats to polar bears -- Helping polar bears -- Glossary and index.
Summary
Describes the physical characteristics, behavior, life cycle, and natural environment of the polar bear.