While their white fur keeps them camouflaged against the snow, their black skin absorbs the heat of sunlight that may pass through their coat.
A layer of fat beneath the skin insulates their body further from sub-zero temperatures.
They are solitary animals and highly evolved for living in frigid arctic temperatures.
Live video from Channel 3 Eyewitness News is available on your computer, tablet and smartphone during all local newscasts or breaking news updates.
When Channel 3 Eyewitness News is not airing a live newscast, you will see replays of the most recent newscast.
Nothing compares to the feeling of warm sand and cool water you’ll find on our golden sand beach along the edge of the Pacific.
Our live beach cams offer a glimpse of the breathtaking views from Hotel del Coronado.