2. Use Scent Covers
Along with keeping quiet, you always need to approach from downwind of them so that they will not smell you coming. Tobacco smoke is such a strong odor that it will instantly send bears running if they smell it. If you are a smoker, you need to curb your urge to smoke for the duration of the hunt. You also need to avoid having any other strong odors on your person, including things like gasoline, cologne and pet odors.