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part 1
http://www.smokiesinformation.org/podcast/14_why_bears_follow_part.mp3

part 2

http://www.smokiesinformation.org/podcast/15_2nd_why_follow.mp3

http://www.nps.gov/grsm/naturescience/black-bears.htm

below are some great bear stories and advice by a park ranger

http://www.smokiesinformation.org/f/updates/05e_podcasts.htm