The University of Minnesota College of Veterinary Medicine and the Grand Portage Band of Lake Superior Chippewa published a new study today in Science Advances that sheds more light on the complex relationship between wolves and their prey—in this instance, moose in Minnesota. In short, the study suggests that wolves may help limit the prevalence of the brainworm parasite (Parelaphostrongylus tenuis) in moose by increasing segregation between moose and white-tailed deer, the primary host of the brainworm. A summary of the article is available via