If that was Newfoundland those are both real nice animals, and as Sambo said, I am thinking that is a "book" caribou.
I would have done it just like he did because the caribou looked like he was rutting with the cows and willing to hang around. The moose, on the other hand, was right on the edge of the cover so he didn't have far to go to get away. The woodland bull is definitely the best trophy! It does sound like he wasted alot of time trying to get another shell in.