When winter comes, you don’t have to worry about finding a warm place to live. You can turn up the heat in your home or build a fire in the fireplace. And if you need food during a snowstorm, you can buy it at a grocery store. But what about bears? How do they survive during the winter? In Why Do Bears Hibernate, you can learn more about bears and find answers to these questions:

• How many kinds of bears are there in the world?
• Which bears are sometimes called dog bears, and why?
• Do all bears hibernate?
• Are bears light sleepers or deep sleepers?
• Do bears go to the bathroom while they are hibernating?
• When do polar bears give birth?
• Why do bears around the world need our help?