National Geographic Kids
National Geographic Kids: Animals: Polar Bears
National Geographic offers this great site to help you explore a polar bear's world. Facts, video, audio, map and a postcard to send to your friends. Requires RealPlayer for audio and video features.
BBC
Bbc Science & Nature: Polar Bear (Ursus Maritimus)
The BBC provides a general profile of polar bears, detailing information about their distribution, habitat, diet, behavior, reproduction, and conservation status. Numerous pictures and a video are also available.
University of California
Polar Bear Capital of the World
Churchill, Canada is known for its polar bear population before the bay freezes. Find out all about this incredible visitation every year. Read polar bear facts, lore, rules of bear safety, and wildlife management applied to polar bears.