Infographic: Polar bears in the Arctic Circle April 29, 2012default000, 20, 200, 22.4, 4.4, arctic, bears, bison, brown, caribou, circle, d.c., fahrenheit, gentoo, grey, human, land, largest, mammal, michael phelps, mph, northern, penguin, polar, population, record, speed, swimming, temperatures, washington, water, wolf, wood, worldwiderobotchampion From - Frozen Planet – The Ends of the Earth
