When they get too inquisitive or close we use 'Howling Wolf Packs' to change their minds...10 firecrackers tied together. You haven't lived until you've seen a 600+ pound bear levitate off all fours! Since bears are smart they remember the unpleasant experience and steer clear. We have one...
I'd like to add a stupid/funny personal story regarding black bear encounters...I live in Northern NJ (bear country, believe it or not!) and the FIRST time I ever saw a black bear in my backyard she had 4 cat-sized cubs. And my chix were free-ranging in the yard at the time. I yelled, the bear...