Photo of the Day 85

Arctic Fox, Hudson Bay, Canada, 2004

Photograph by Norbert Rosing

A stealthy arctic fox steals across a snow-patched ridge in Canada's Hudson Bay. Not much larger than a big housecat, these seemingly delicate northern mammals are as hearty as they come, thriving in the privation and bitter cold of the Arctic north.

(Photo shot on assignment for, but not published in, "Seasons of the Snow Fox," October 2004, National Geographic magazine)