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I have accomplished this each time I done it, about 6 times so far. This is how I done it, and I dont know if one has to do with the other. But I go to a tree, and click it as many times as it needs to be chopped, more often then not a bear will appear. dDnt worry, the chopping will cease at that point so you wont lose energy. Then click on the bear 2 times quickly (tap tap) do not wait for the scare to begin.. just click twice. This will use only one energy and will scare him instantly. Normally you would use about 5 energy, This is a glitch I am sure of it. But better you use it as much as you can before they fix it.
It has worked for me, I hope it works for you too.
Happy Scaring!!! LOL