Indeed%2C wolves eat elk but most attempts at taking down healthy wapiti%2C as research shows%2C are unsuccessful. In recent years%2C wolves have also started turning their attention to bison. A huge benefit of wolves is that they%2C along with mountain lions and bears%2C helped to form a gauntlet that might be helpful in slowing the spread of Chronic Wasting Disease by killing infected animals. Photo courtesy Dan Stahler%252FNPS