In the light of the rising frequency of  human/grizzly bear conflicts, the
Alberta Department of Fish and Wildlife is advising hikers, hunters,
fishermen or anyone enjoying wilderness areas to take extra precautions and
keep alert for bears while in the field. The use of small, noisy bells
attached to clothing is advisable so as not to startle bears that can't see
your approach. Also advisable is that the outdoorsman carry a good quality
pepper spray with them in case an encounter  with a bear is unavoidable. It
is also wise to be watchful for fresh signs of bear activity.  Outdoorsmen
should recognize the difference between black bear and grizzly bear feces.

Black bear feces are smaller and predominantly contain berries and
vegetatable material.

Grizzly bear feces has little bells in it and smells
like pepper.