Hmm.. I find it hard to believe that black bears are anywhere near as aggressive as grizzlies, unless perhaps they had young cubs with them. Grizzlies always seemed to have a hair-trigger temper.
I don't know myself, just repeating what I read. I will say Cooper is pretty sharp.
Bear Kills 93 Year-Old New Mexico Woman
The 100-pound elderly woman didn't have a chance against a 275-pound bear in the kitchen of her home...
A 93-year-old New Mexico woman was mauled to death by a black bear that broke into her home over the weekend, stunned wildlife officials have confirmed.
Adelia Maestas Trujillo of Cleveland, in north-central New Mexico, was killed "by multiple bite injuries," said Scott Wilson, associate director of the Office of Medical Investigator.
http://www.maineguides.org/referendum/bear_attacks02.shtml