Highest concentration is Yukon, Alaska, BC, with a few isolated populations found in Western Mountain states. Scats are similar to black bears but larger. Conceals carrion under shallow mounds of soil or branches. Beds down in thickets, oval shaped depressions lined with pine needles and mosses. Their range sometimes coincides with coastal Northwest Territory barren ground grizzly.
Scats are cylindrical dark brown, and primarily animal matter with bones, fur fragments.
Polar bears are active throughout the day and are excellent swimmers. Stalking of humans or predatory attacks by polar bears are reported more often than with any other bear species.