The white ghost - a Polar Bear (Ursus maritimus) walking over sea ice amongst cold air fog and haze making it hard to see. Crytic camouflage, Hinelopen Strait (Stretet), Svalbard. Stock photo
Why do polar bears have white fur? And nine other polar bear facts | Stories | WWF
Weird Science on Twitter: "Polar bears trying to blend in with the snow will cover their black nose for camouflage. http://t.co/ZFfbequD0T" / Twitter