Check out the Alberta BearSmart Guide to Playing Safely in Bear Country with information on bear safety, including how to identify grizzly and black bears, how to prevent trouble with bears, how to respond to a bear encounter, and information on bear deterrents (bear spray and noisemakers). It also includes a section on cougars and cougar safety. You can download the guide here.
Can you tell the difference between a grizzly and black bear?