Describes how polar bears in Canada travel to the frozen Hudson Bay area in fall and winter to find food that will sustain them through the summer months, when they eat little to no food, and explains how global warming is threatening the species' future.
"Polar bears roam the Arctic tundra searching for food. Find out how these cold weather bears stay warm and survive in their frigid environment. Learn what polar bears eat, how they care for their young, and more"--Publisher.