Elk (Cervus canadensis) are generally considered a keystone species across a variety of landscapes. Elk (C. canandenis nelsoni) in Jasper National Park is one of four extant subspecies of elk occurring in North America. They are an important wildlife component in the Park regarding the management of human-wildlife conflict and understanding caribou/wolf population dynamics. Every five years, data are collected by aerial surveys over set transects across the Park to estimate population size and composition and inform management activities.