We came through Polychrome Pass in late June 2010 and saw a band of mature Dall sheep.They appeared to be agitated. Their attention was focused across the road. To our right a lone wolf had come from above and scared them across the road. They stared at the wolf as it tried to come down the mountain. The sheep then took refuge on a steep rocky slope, still keeping a close eye on the direction of the wolf, who then disappeared from sight.