What I did about my neighbors annoying dog is I scared it. After over a year of me being in my back yard and the annoying thing will constantly yap at me, started staring it down and then walking fast towards it. After a few times it started running away whenever it saw me

http://www.bearsmart.com/about-bears/dispelling-myths/ #15

You are forgetting that black bears and brown bears (grizzlies) have different strategies if you’re attacked. Brown= play dead, Black= fight back