>>494903What a load of rubbish. A well placed ethical shot will take a bear down easily every time. They're no tougher than any other similar sized game.
Sure, grizzlies can be a little gnarlier, but as long as you have a good clean shot and you're using an appropriate weapon it shouldn't be an issue.
Here's a pic of Bella Twin who took a massive world record grizzly with a 22 in northern Alberta.