Yeah, I've seen that one several times as well. They "lock up" and just stand there, unless something else happens to possibly stir them up. My biggest bull was quartering away at around 250 years when a 180-grain .30-06 bullet went through both lungs. It just stood there as some other elk on the hillside came running by, whereupon it walked slowly a little ways, trying to follow them. Then it stopped and when I shot a second time, dropped. Most of the time, however, they just stand there until they fall over, or are shot again.
Have seen a number of caribou and moose do the same thing.
