Some of the pictures were pretty tricky, I think identifying one that you had glassed in the field would be easier. The shoulder hump is pretty tell tale and some of the pictures did not have a shoulder shot.
This is all theortical for me though never hunted in a region that has both species.
It's all theoretical for me too - I've never positively seen a grizzly. I might have seen one once when I lived in Banff, but I'm not sure. There was some decent Black Bear hunting around home, but I was never successful, and I refused to "get in line" at the dump for a shot at a garbage bear.
I am NOT an expert. But I'm too cheap to pay for anyone else to do the job (local shop wanted $200 to tan my coyote hide). I've used this recipe for rabbit hides, deer hides, a moose skin, and a coyote pelt. I've adapted this recipe from one I found online. Feel free to use it but use this tip at your own risk and comply with all local laws wherever you are. When butchering: Cool the hide as soon as you can get it off the animal. Remove the hide form the...