Polar Bears
Sophie Lockwood
language
(The Child's World, Inc., Jan. 1, 2014)
Equipped to survive the frigid arctic tundra, polar bears are powerful swimmers and agile hunters. Learn about the lives of these incredible mammals and how they manage to stay at the top of the food chain in their wintry habitat. Discover how threats such as global warming and oil spills pose a danger to them, and find out the role people play in enabling their survival.